but others addons, like Autogen Switzerland North 1.0.0 from drassaud says:
Extract the "Autogen Switzeland East 1-0-0.zip"
Copy the "ch" folder into the Aéroly fs 2 AddOns folder
with a steam version (as you want):
Sorry but i have a noob mistake. I have Steam AFS2 version with free and Swiss and NY DLC.
Any of those fantastic files, where unzip?
...SteamLibrary\steamapps\common\Aerofly FS 2 Flight Simulator AddOns\scenery
...Documents\Aerofly FS 2\scenery