Thansk for the information. But I really prefer not to change that folder. I did it in the past and as a result I had to uninstall and install again. Microsoft Store games don’t install like other games (they don’t use a folder, and just a folder) and that problem to access the exe implies many problems with external applications.
I waited a couple of weeks in the hope that the price of MSFS was the same price in Steam and MS Store, but it didn’t happen, and I comited an error buying the MS Store version just to save 10 euro. Now I am paying that error.