: If you have a specific .exe or unzipped firmware folder, run the installer and follow the on-screen prompts to select your device model.
If you find your VS450 cannot be updated and fails to read newer car models (post-2009), consider transitioning to updated hardware that receives regular over-the-air updates: VGate VS450 Diagnostic Tool Review
If you manage to locate a specific firmware file from a forum or the official site, the general process follows these steps:
: There are frequently no update files or links provided in the original manual or packaging.