Typically, the game is installed in one of two locations depending on your platform (Steam or legacy Rockstar):
Navigate to your GTA IV installation directory. If you use Steam, this is typically: C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto IV\GTAIV Gta 4 Common Folder Backup
file and Liberty City turns into a crashing mess of textures and broken dreams. Why it matters: Modding Safety: Typically, the game is installed in one of
Restoration is the mirror image of backup. When your game crashes after a bad mod installation: Gta 4 Common Folder Backup
First, navigate to your GTA 4 installation folder.
: Right-click the common folder and select Copy .