It seems after the Ghost War update patch 4. The Steam users are having major issues with their game not launching.https://forums.ubi.com/showthread.php...
Or the fact the Weapons from Falling Ghosts are still locked in the game.https://forums.ubi.com/showthread.php...
How can Ubisoft not test everything. Like logging in to a Steam account and checking if it works. Or maybe starting the game and seeing if the weapons are unlocked.