FitGirl did a repack of it ... from all Forza games that PC got ... even some other Russian\Ukrainian groups did one also ... but like mentioned you have to be on Win10 version 1607 aka Anniversary Update build number 14393 to play the game and have Developer Mode with Fake WinStore on your system ... write Winver in your Run menu to see your version
The thing is many people stayed on 14393 since in new updates MS gimped hard Intel CPUs slowing them down by 25% to 20% ... or even disabled Hyper Treading ,all because Intel got 37 CIA holes everyone in the known knew about
and so everyone went Ryzen