Assetto Corsa is obsolete (v1.16.3 is required)" error is a common glitch in that occurs because the software misreads your game's version number, often after a minor Steam update. Quick Fixes
For versions, you'll need to check the game's official website for patches or updates.
If none of the above works, a specific file in your root folder might be corrupted.
: In many cases, this is a visual bug. If the game still launches and mods work correctly, you can safely ignore the "obsolete" warning. update your Custom Shaders Patch
Update Steam and restart
The solution to these problems lies in updating the game to version 1.16.3, which has been touted as a comprehensive fix for many of the issues plaguing players. This update, released by the game's developers, aims to:
: It is arguably the best-supported racing sim in history. From the Shutoko Revival Project for street racing to high-fidelity GT3 cars, the variety is unmatched.