: Some users report that a full uninstallation followed by a fresh install clears the "obsolete" message by resetting the metadata. Solution 3: Update or Reinstall Content Manager
Kunos Simulazioni never officially released v1163 as a public beta branch on Steam. However, some users report that selecting the “previous” or “legacy” branch under Steam > Properties > Betas can revert to a version close to v1163. assetto corsa is obsolete v1163 is required link
: Older versions of the Custom Shaders Patch were hard-coded to look specifically for "1.16.3." If it sees anything else—even a newer version—it flags the game as "obsolete". Top 3 Ways to Fix the Error 1. The "Changelog" Text Trick (Most Effective) : Some users report that a full uninstallation
How to Fix the "Assetto Corsa is Obsolete (v1.16.3 is Required)" Error : Older versions of the Custom Shaders Patch
Corrupted cache files can trick Content Manager into thinking your game is outdated. Close Content Manager and Steam. Press Windows Key + R to open the Run dialog box. Type %localappdata% and hit . Locate the folder named AcTools Content Manager . Delete the Cache folder inside it. Restart Content Manager. 4. Update Custom Shaders Patch (CSP)
: When Assetto Corsa received small updates (like the v1.16.4 update for Ferrari eSports events), it updated the version number in the game files.