Assetto Corsa Is Obsolete V1.16.3 Is Required Fix -

Restart Content Manager; the "obsolete" warning should disappear. Alternative File Management

Many users attempt to simply right-click the game and select "Update," only to find no update available. This is because Steam believes the game is "installed" but doesn't realize the version numbers are mismatched. The "Verify Integrity" tool is the diagnostic mechanic; it forces Steam to look deeper than just the installation status and actually check the versioning of the code. This is almost guaranteed to trigger the necessary ~300MB to ~1GB download required to push the game to v1.16.3. assetto corsa is obsolete v1.16.3 is required fix