A free Windows app for managing your Farming Simulator mod folders — switch active sets, inspect mods for errors, and launch the game, all in one place.
FSGModAssistant-Setup-5.x.x.exe
x.x will be the current version number. Ignore the other files listed (source code archives, etc.) — you only need the .exe.
When you land on the GitHub release page, scroll all the way down past the release notes. You'll see a section labelled Assets with a small triangle/arrow next to it.