: Close and reopen the app; you should now be able to drag and drop .7z files directly to install them. Troubleshooting "Archive is Unknown or Damaged"
If you are seeing this error while trying to install mods (like cars or tracks), follow these steps to manually link 7-Zip to the Content Manager: Unknown RG.7z
: Navigate to the following path on your computer: : Close and reopen the app; you should
If the error "Unknown Format or Damaged" appears when you try to open the file normally, the archive itself may be corrupted or created with a newer version of the software. : Close and reopen the app
: Download and install the latest version of 7-Zip (stable, alpha, or beta), as older versions may not recognize newer compression headers.