The launcher will automatically manage the ~22GB download and installation of the required redistributables (DirectX, .NET Framework). :
Open your GPU Control Panel (NVIDIA Control Panel or AMD Software). Go to Program Settings and select GTAIV.exe . Locate and cap it strictly to 60 FPS . Advanced Optimization: FusionFix and DXVK
: Install both x86 and x64 versions for years 2005 through 2019. grand theft auto iv the complete edition v12032 install
If your installer did not include the pre-patched files, download the official v1.2.0.32 patch from the verified host and execute the update file inside the game's root directory. Essential Post-Installation Optimization
Out of the box, GTA IV requires minor tweaks to run smoothly on high-refresh-rate monitors and modern graphics cards. Commandline Tuning The launcher will automatically manage the ~22GB download
Navigate to your Library tab and type "Grand Theft Auto IV: The Complete Edition" into the search bar. Initiate Download: Click the blue Install button.
Before you install, ensure your PC can handle the game. The official requirements for v1.2.0.32 are modest, but you'll want a more powerful system for a smooth experience with mods. Locate and cap it strictly to 60 FPS
If you experience stuttering, using the DXVK (Vulkan wrapper) can offer massive FPS gains. Download the latest DXVK release.
Copy existing save files located in %USERPROFILE%\Documents\Rockstar Games\GTA IV\Profiles to a secure location.