: The original Patch 1.2 was approximately 800 MB on PC .
Assassin's Creed Unity 's (also referred to as Patch 2) for PC was primarily designed to improve stability and performance following the game's difficult launch. To ensure you have the best version of the game today, it is recommended to use official launchers that handle patching automatically rather than manual downloads. How to Get Patch 1.2 (and Beyond) assassin39s creed unity patch 12 pc download better
Released shortly after launch, this update specifically targeted technical hurdles for PC players: : The original Patch 1
Do not download standalone "Patch 1.2" executable files from file-hosting sites. They are unsafe. Update your game automatically via Steam or Ubisoft Connect to get the latest official fixes. How to Get Patch 1
For most players, updating is handled automatically through modern launchers.