: Purchase the game and it will appear in your Steam Library . Click "Install" to download the game files (approximately 22GB). Via Rockstar Games Launcher :
If you have a physical disc, you can redeem your activation code by clicking your avatar and selecting "Redeem Code". Download Grand Theft Auto IV
: This is the foundational tool required to load most of these mods. It is often included with larger mod packs like Fusion Fix. Essential Performance Tips : Purchase the game and it will appear in your Steam Library