Official versions of on Steam or Epic Games cannot be launched without the Ubisoft Connect (formerly Uplay) launcher, as it is required for ownership verification and license activation. However, you can use several methods to minimize its intrusiveness or bypass it after an initial setup.
The only way to completely sever the Uplay link is to use a (a modified executable) from the original 2012–2014 era. However, this comes with severe drawbacks: far cry 3 bypass uplay link
-offline -nolauncherThus, the hunt for the began.