diff --git a/ComputersShop/ComputersShopBusinessLogic/ClientLogic.cs b/ComputersShop/ComputersShopBusinessLogic/ClientLogic.cs
new file mode 100644
index 0000000..fc040cf
--- /dev/null
+++ b/ComputersShop/ComputersShopBusinessLogic/ClientLogic.cs
@@ -0,0 +1,111 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicsContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputersShopBusinessLogic
+{
+    public class ClientLogic : IClientLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IClientStorage _clientStorage;
+        public ClientLogic(ILogger<ClientLogic> logger, IClientStorage clientStorage)
+        {
+            _logger = logger;
+            _clientStorage = clientStorage;
+        }
+        public List<ClientViewModel>? ReadList(ClientSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ClientName:{ClientName}.Id:{ Id}", model?.ClientFIO, model?.Id);
+            var list = model == null ? _clientStorage.GetFullList() : _clientStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public ClientViewModel? ReadElement(ClientSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. ClientFIO:{ClientFIO}.Id:{ Id}", model.ClientFIO, model.Id);
+            var element = _clientStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Create(ClientBindingModel model)
+        {
+            CheckModel(model);
+            if (_clientStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Update(ClientBindingModel model)
+        {
+            CheckModel(model);
+            if (_clientStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(ClientBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_clientStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(ClientBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.ClientFIO))
+            {
+                throw new ArgumentNullException("Не заполнено имя", nameof(model.ClientFIO));
+            }
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                throw new ArgumentNullException("Не заполнен email", nameof(model.Email));
+            }
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Не заполнен пароль", nameof(model.Password));
+            }
+            _logger.LogInformation("Client. ClientName:{ClientName}.Id: {Id} ", model.ClientFIO, model.Id);
+            var element = _clientStorage.GetElement(new ClientSearchModel
+            {
+                ClientFIO = model.ClientFIO
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Компонент с таким названием уже есть");
+            }
+        }
+    }
+}
diff --git a/ComputersShop/ComputersShopContracts/BindingModels/ClientBindingModel.cs b/ComputersShop/ComputersShopContracts/BindingModels/ClientBindingModel.cs
new file mode 100644
index 0000000..5ea6793
--- /dev/null
+++ b/ComputersShop/ComputersShopContracts/BindingModels/ClientBindingModel.cs
@@ -0,0 +1,12 @@
+using ComputersShopDataModels.Models;
+
+namespace ComputersShopContracts.BindingModels
+{
+    public class ClientBindingModel : IClientModel
+    {
+        public int Id { get; set; }
+        public string ClientFIO { get; set; } = string.Empty;
+        public string Email { get; set; } = string.Empty;
+        public string Password { get; set; } = string.Empty;
+    }
+}
diff --git a/ComputersShop/ComputersShopContracts/BusinessLogicsContracts/IClientLogic.cs b/ComputersShop/ComputersShopContracts/BusinessLogicsContracts/IClientLogic.cs
new file mode 100644
index 0000000..7a81597
--- /dev/null
+++ b/ComputersShop/ComputersShopContracts/BusinessLogicsContracts/IClientLogic.cs
@@ -0,0 +1,15 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+
+namespace ComputersShopContracts.BusinessLogicsContracts
+{
+    public interface IClientLogic
+    {
+        List<ClientViewModel>? ReadList(ClientSearchModel? model);
+        ClientViewModel? ReadElement(ClientSearchModel model);
+        bool Create(ClientBindingModel model);
+        bool Update(ClientBindingModel model);
+        bool Delete(ClientBindingModel model);
+    }
+}
diff --git a/ComputersShop/ComputersShopContracts/SearchModels/ClientSearchModel.cs b/ComputersShop/ComputersShopContracts/SearchModels/ClientSearchModel.cs
new file mode 100644
index 0000000..beb3f1c
--- /dev/null
+++ b/ComputersShop/ComputersShopContracts/SearchModels/ClientSearchModel.cs
@@ -0,0 +1,10 @@
+namespace ComputersShopContracts.SearchModels
+{
+    public class ClientSearchModel
+    {
+        public int? Id { get; set; }
+        public string? ClientFIO { get; set; }
+        public string? Email { get; set; }
+        public string? Password { get; set; }
+    }
+}
diff --git a/ComputersShop/ComputersShopContracts/StoragesContracts/IClientStorage.cs b/ComputersShop/ComputersShopContracts/StoragesContracts/IClientStorage.cs
new file mode 100644
index 0000000..7e779c3
--- /dev/null
+++ b/ComputersShop/ComputersShopContracts/StoragesContracts/IClientStorage.cs
@@ -0,0 +1,16 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+
+namespace ComputersShopContracts.StoragesContracts
+{
+    public interface IClientStorage
+    {
+        List<ClientViewModel> GetFullList();
+        List<ClientViewModel> GetFilteredList(ClientSearchModel model);
+        ClientViewModel? GetElement(ClientSearchModel model);
+        ClientViewModel? Insert(ClientBindingModel model);
+        ClientViewModel? Update(ClientBindingModel model);
+        ClientViewModel? Delete(ClientBindingModel model);
+    }
+}
diff --git a/ComputersShop/ComputersShopContracts/ViewModels/ClientViewModel.cs b/ComputersShop/ComputersShopContracts/ViewModels/ClientViewModel.cs
new file mode 100644
index 0000000..481b429
--- /dev/null
+++ b/ComputersShop/ComputersShopContracts/ViewModels/ClientViewModel.cs
@@ -0,0 +1,19 @@
+using ComputersShopDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputersShopContracts.ViewModels
+{
+    public class ClientViewModel : IClientModel
+    {
+        public int Id { get; set; }
+
+        [DisplayName("ФИО клиента")]
+        public string ClientFIO { get; set; } = string.Empty;
+
+        [DisplayName("Логин {эл. почта}")]
+        public string Email { get; set; } = string.Empty;
+
+        [DisplayName("Пароль")]
+        public string Password { get; set; } = string.Empty;
+    }
+}
diff --git a/ComputersShop/ComputersShopDataModels/Models/IClientModel.cs b/ComputersShop/ComputersShopDataModels/Models/IClientModel.cs
new file mode 100644
index 0000000..3ce4bb0
--- /dev/null
+++ b/ComputersShop/ComputersShopDataModels/Models/IClientModel.cs
@@ -0,0 +1,9 @@
+namespace ComputersShopDataModels.Models
+{
+    public interface IClientModel : IId
+    {
+        string ClientFIO { get; }
+        string Email { get; }
+        string Password { get; }
+    }
+}
diff --git a/ComputersShop/ComputersShopDatabaseImplement/ComputersShopDatabase.cs b/ComputersShop/ComputersShopDatabaseImplement/ComputersShopDatabase.cs
index aad2b7f..9417ccf 100644
--- a/ComputersShop/ComputersShopDatabaseImplement/ComputersShopDatabase.cs
+++ b/ComputersShop/ComputersShopDatabaseImplement/ComputersShopDatabase.cs
@@ -25,5 +25,6 @@ namespace ComputersShopDatabaseImplement
         public virtual DbSet<Computer> Computers { set; get; }
         public virtual DbSet<ComputerComponent> ComputerComponents { set; get; }
         public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<Client> Clients { set; get; }
     }
 }
diff --git a/ComputersShop/ComputersShopDatabaseImplement/Implements/ClientStorage.cs b/ComputersShop/ComputersShopDatabaseImplement/Implements/ClientStorage.cs
new file mode 100644
index 0000000..7f9d187
--- /dev/null
+++ b/ComputersShop/ComputersShopDatabaseImplement/Implements/ClientStorage.cs
@@ -0,0 +1,82 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDatabaseImplement.Models;
+
+namespace ComputersShopDatabaseImplement.Implements
+{
+    public class ClientStorage : IClientStorage
+    {
+        public List<ClientViewModel> GetFullList()
+        {
+            using var context = new ComputersShopDatabase();
+            return context.Clients.Select(x => x.GetViewModel).ToList();
+        }
+        public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                return new();
+            }
+            using var context = new ComputersShopDatabase();
+            return context.Clients
+                .Where(x => x.Email.Contains(model.Email))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public ClientViewModel? GetElement(ClientSearchModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            if (model.Id.HasValue)//сначала ищем по Id
+            {
+                return context.Clients.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+            }
+            else if (!string.IsNullOrEmpty(model.Email) && string.IsNullOrEmpty(model.Password))//затем по логину
+            {
+                return context.Clients.FirstOrDefault(x => x.Email == model.Email)?.GetViewModel;
+            }
+            else if (!string.IsNullOrEmpty(model.Email) && !string.IsNullOrEmpty(model.Password))//затем по логину и паролю
+            {
+                return context.Clients.FirstOrDefault(x => x.Email == model.Email && x.Password == model.Password)?.GetViewModel;
+            }
+            return null;
+        }
+        public ClientViewModel? Insert(ClientBindingModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            var newClient = Client.Create(model);
+            if (newClient == null)
+            {
+                return null;
+            }
+            context.Clients.Add(newClient);
+            context.SaveChanges();
+            return newClient.GetViewModel;
+        }
+        public ClientViewModel? Update(ClientBindingModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            var client = context.Clients.FirstOrDefault(x => x.Id == model.Id);
+            if (client == null)
+            {
+                return null;
+            }
+            client.Update(model);
+            context.SaveChanges();
+            return client.GetViewModel;
+        }
+        public ClientViewModel? Delete(ClientBindingModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            var element = context.Clients.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            context.Clients.Remove(element);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+    }
+}
diff --git a/ComputersShop/ComputersShopDatabaseImplement/Migrations/20230426042353_addClient.Designer.cs b/ComputersShop/ComputersShopDatabaseImplement/Migrations/20230426042353_addClient.Designer.cs
new file mode 100644
index 0000000..1a32422
--- /dev/null
+++ b/ComputersShop/ComputersShopDatabaseImplement/Migrations/20230426042353_addClient.Designer.cs
@@ -0,0 +1,212 @@
+// <auto-generated />
+using System;
+using ComputersShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace ComputersShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputersShopDatabase))]
+    [Migration("20230426042353_addClient")]
+    partial class addClient
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Client", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Clients");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Computer", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComputerName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Computers");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.ComputerComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ComputerId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("ComputerId");
+
+                    b.ToTable("ComputerComponents");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ClientId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ComputerId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClientId");
+
+                    b.HasIndex("ComputerId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.ComputerComponent", b =>
+                {
+                    b.HasOne("ComputersShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ComputerComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputersShopDatabaseImplement.Models.Computer", "Computer")
+                        .WithMany("Components")
+                        .HasForeignKey("ComputerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Computer");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("ComputersShopDatabaseImplement.Models.Client", "Client")
+                        .WithMany("Orders")
+                        .HasForeignKey("ClientId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputersShopDatabaseImplement.Models.Computer", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("ComputerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Client");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Client", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("ComputerComponents");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Computer", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/ComputersShop/ComputersShopDatabaseImplement/Migrations/20230426042353_addClient.cs b/ComputersShop/ComputersShopDatabaseImplement/Migrations/20230426042353_addClient.cs
new file mode 100644
index 0000000..84a70f9
--- /dev/null
+++ b/ComputersShop/ComputersShopDatabaseImplement/Migrations/20230426042353_addClient.cs
@@ -0,0 +1,68 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ComputersShopDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class addClient : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "ClientId",
+                table: "Orders",
+                type: "int",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.CreateTable(
+                name: "Clients",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ClientFIO = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Email = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Password = table.Column<string>(type: "nvarchar(max)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Clients", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_ClientId",
+                table: "Orders",
+                column: "ClientId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Orders_Clients_ClientId",
+                table: "Orders",
+                column: "ClientId",
+                principalTable: "Clients",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Orders_Clients_ClientId",
+                table: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Clients");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Orders_ClientId",
+                table: "Orders");
+
+            migrationBuilder.DropColumn(
+                name: "ClientId",
+                table: "Orders");
+        }
+    }
+}
diff --git a/ComputersShop/ComputersShopDatabaseImplement/Migrations/ComputersShopDatabaseModelSnapshot.cs b/ComputersShop/ComputersShopDatabaseImplement/Migrations/ComputersShopDatabaseModelSnapshot.cs
index be50f51..27e603c 100644
--- a/ComputersShop/ComputersShopDatabaseImplement/Migrations/ComputersShopDatabaseModelSnapshot.cs
+++ b/ComputersShop/ComputersShopDatabaseImplement/Migrations/ComputersShopDatabaseModelSnapshot.cs
@@ -22,6 +22,31 @@ namespace ComputersShopDatabaseImplement.Migrations
 
             SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
 
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Client", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Clients");
+                });
+
             modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Component", b =>
                 {
                     b.Property<int>("Id")
@@ -96,6 +121,9 @@ namespace ComputersShopDatabaseImplement.Migrations
 
                     SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
 
+                    b.Property<int>("ClientId")
+                        .HasColumnType("int");
+
                     b.Property<int>("ComputerId")
                         .HasColumnType("int");
 
@@ -116,6 +144,8 @@ namespace ComputersShopDatabaseImplement.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("ClientId");
+
                     b.HasIndex("ComputerId");
 
                     b.ToTable("Orders");
@@ -142,11 +172,24 @@ namespace ComputersShopDatabaseImplement.Migrations
 
             modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Order", b =>
                 {
+                    b.HasOne("ComputersShopDatabaseImplement.Models.Client", "Client")
+                        .WithMany("Orders")
+                        .HasForeignKey("ClientId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
                     b.HasOne("ComputersShopDatabaseImplement.Models.Computer", null)
                         .WithMany("Orders")
                         .HasForeignKey("ComputerId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
+
+                    b.Navigation("Client");
+                });
+
+            modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Client", b =>
+                {
+                    b.Navigation("Orders");
                 });
 
             modelBuilder.Entity("ComputersShopDatabaseImplement.Models.Component", b =>
diff --git a/ComputersShop/ComputersShopDatabaseImplement/Models/Client.cs b/ComputersShop/ComputersShopDatabaseImplement/Models/Client.cs
new file mode 100644
index 0000000..5f5ad6c
--- /dev/null
+++ b/ComputersShop/ComputersShopDatabaseImplement/Models/Client.cs
@@ -0,0 +1,52 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace ComputersShopDatabaseImplement.Models
+{
+    public class Client : IClientModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ClientFIO { get; private set; } = string.Empty;
+        [Required]
+        public string Email { get; private set; } = string.Empty;
+        [Required]
+        public string Password { get; private set; } = string.Empty;
+        [ForeignKey("ClientId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Client? Create(ClientBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new()
+            {
+                Id = model.Id,
+                ClientFIO = model.ClientFIO,
+                Email = model.Email,
+                Password = model.Password
+            };
+        }
+        public void Update(ClientBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ClientFIO = model.ClientFIO;
+            Email = model.Email;
+            Password = model.Password;
+        }
+        public ClientViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ClientFIO = ClientFIO,
+            Email = Email,
+            Password = Password,
+        };
+    }
+}
diff --git a/ComputersShop/ComputersShopDatabaseImplement/Models/Order.cs b/ComputersShop/ComputersShopDatabaseImplement/Models/Order.cs
index b600817..af8f334 100644
--- a/ComputersShop/ComputersShopDatabaseImplement/Models/Order.cs
+++ b/ComputersShop/ComputersShopDatabaseImplement/Models/Order.cs
@@ -20,6 +20,9 @@ namespace ComputersShopDatabaseImplement.Models
         [Required]
         public DateTime DateCreate { get; private set; } = DateTime.Now;
         public DateTime? DateImplement { get; private set; }
+        [Required]
+        public int ClientId { get; private set; }
+        public virtual Client? Client { get; set; } 
 
         public static Order? Create(OrderBindingModel model)
         {