Method 3: Modifying the steam_api.ini File (For Emulator/Archived Versions)
Press Win + R , type regedit , and hit Enter. Navigate to the Game Key:
If Windows prevents you from saving the edited .ini file or pasting the patch, right-click the main Blur folder, go to , and ensure your Windows user account has full read/write permissions. Alternatively, run your Notepad application as an Administrator before opening the file.