With VSCode, you DO need to install in projects the "Visual Studio Code" package. When you first download and install VSCode, simply open any C# file on your machine. It will instantly prompt you to install the needed C# package. This is harmless and easy. Unfortunately VSCode generally has only one window! To open another window is a fuss. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.