Go to Settings > Assetto Corsa > Apps and check all "Sol" related boxes (e.g., Sol Planer, Sol Config).
If prompted to overwrite existing files, select Yes . Method 2: Content Manager Drag-and-Drop Open Content Manager . SOL_0.7r5_Win64_.zip
Inside the zip, you will typically find folders named apps , content , extension , and system . Go to Settings > Assetto Corsa > Apps
If you experience bugs, consider upgrading to the latest version of Sol (currently 2.2.9) available on platforms like Overtake.gg (formerly RaceDepartment). SOL_0.7r5_Win64_.zip
Click the in the top right corner and hit Install . In-Game Configuration
Manual installation is often more reliable for Sol to ensure all system files land in the correct folders.