Are you playing the version downloaded through the Xbox app ?
If so, unlike the Steam version, the game doesn't have a Documents folder. You can only install add-ons using third-party softwares.
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I'm trying to add, add-ons to Farming Simulator 25 and the game isn't showing up in the "My Games" folder.
Are you playing the version downloaded through the Xbox app ?
If so, unlike the Steam version, the game doesn't have a Documents folder. You can only install add-ons using third-party softwares.