You don't use .net core anymore. You use .net 5 or the recently released .net 6. When you use dotnet new it will generate a .csproj file, in that csproj file it

You don't use .net core anymore. You use .net 5 or the recently released .net 6. When you use dotnet new it will generate a .csproj file, in that csproj file it will specify what frameowrk you are targeting. I don't know what exactly you did but setup of dot net is super easy. I'd try uninstalling everything you tried to install, and install https://dotnet.microsoft.com/download/dotnet/6.0 https://dotnet.microsoft.com/download/dotnet/6.0 Note, dotnet 6 only works on VSCode or VS2022, older versions of VS don't support it, so you'd have to drop to dotnet 5.