E. Test launch offline
launch the game through Steam or the Rockstar Launcher again, as they will force an update. Use the LaunchGTAIV.exe in your game folder. Essential Post-Downgrade Fixes downgrade gta iv to 1.0.7.0
15–45 minutes depending on method
: Ensure you have installed the DirectX June 2010 Redistributable and Visual C++ Redistributable 2005-2019 . You can find your CD key by right-clicking
After downgrading GTA IV to 1.0.7.0:
Version 1.0.7.0 still uses SecuROM DRM. When you launch the game for the first time, you may be asked for a serial key. You can find your CD key by right-clicking the game in Steam, selecting > CD Keys , and copying the code. Enter this when prompted. Once activated, the game will launch normally. the game will launch normally.
Once the version string in the bottom corner of the main menu reads "1.0.7.0," the environment is ready for enhancement. XLivelessAddon: