Ensure you have installed the latest Windows 10 SDK Download the latest Windows 10 SDK https://developer.microsoft.com/en-us/windows/downloads/windows-10-sdk
Category: Installing VC#
Making Visual C# work the way we like
Menu > Tools > Options Text Editor > C# Turn off “# references” being auto displayed above everything by VS Text Editor > C/C++ (we do these too for when we use VS to edit C files)