You don’t need to redownload if you purchase FS 2020 on Game Pass.
You don’t need to redownload if you purchase FS 2020 on Game Pass.
The main concern is whether purchasing FS 2020 on Game Pass later would require re-downloading your existing game files, especially since you're concerned about hitting your data limit.
With Game Pass, purchasing a title from the Microsoft Store won’t require a full redownload. However, buying via Steam could necessitate a complete redownload.