Downloading older builds remains an option, and scaffolding the environment for your chosen version is simplified by their scripts. I've successfully installed

Downloading older builds remains an option, and scaffolding the environment for your chosen version is simplified by their scripts. I've successfully installed six versions, ranging from 2 to 8, side by side using this method. https://dotnet.microsoft.com/en-us/download/dotnet https://dotnet.microsoft.com/en-us/download/dotnet