Добавьте файлы проекта.

ProjectCruiser.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34525.116
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProjectCruiser", "ProjectCruiser\ProjectCruiser.csproj", "{AA0BC14A-BDFA-45D8-A567-250EEA399775}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AA0BC14A-BDFA-45D8-A567-250EEA399775}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AA0BC14A-BDFA-45D8-A567-250EEA399775}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AA0BC14A-BDFA-45D8-A567-250EEA399775}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AA0BC14A-BDFA-45D8-A567-250EEA399775}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {84618447-139C-4156-9798-E16E7E543123}
+	EndGlobalSection
+EndGlobal

ProjectCruiser/Program.cs

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+namespace ProjectCruiser
+{
+    internal static class Program
+    {
+        /// <summary>
+        ///  The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            // To customize application configuration such as set high DPI settings or default font,
+            // see https://aka.ms/applicationconfiguration.
+            ApplicationConfiguration.Initialize();
+            Application.Run(new Form1());
+        }
+    }
+}

ProjectCruiser/ProjectCruiser.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWindowsForms>true</UseWindowsForms>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+</Project>