While Microsoft Flight Simulator (MSFS) is not a "free-to-own" title, you can technically if you already have a PC Game Pass or Xbox Game Pass Ultimate subscription.
: Recently cut to $22.99/month (down from $29.99), allowing you to play on both PC and Xbox consoles. Microsoft Flight Simulator Free Download
: Verified college students in the U.S. may be eligible for a free 1-year Xbox Game Pass Ultimate subscription when purchasing select PCs through the Microsoft Back-to-School bundle. 2. Is there a truly free version? While Microsoft Flight Simulator (MSFS) is not a
There is no official "free" version of the modern Microsoft Flight Simulator. Beware of third-party sites offering "free full downloads," as these are often unsafe. However, if you are on a zero-dollar budget, the flight sim community highly recommends these : Microsoft Flight Simulator - Xbox may be eligible for a free 1-year Xbox