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Published on 20 Jul 2014 | over 4 years ago

A file called "commandline.txt" can be helpful if you get the the following error message under Graphics in the GTA 4 menu:
Warning: Your graphics settings are near, or exceed, the suggested resource limits for your system. It is recommended that you reduce your graphics settings in order to run the game optimally.

The video shows how to install a very simple "commandline.txt". The only content in the file is this:
-nomemrestrict -norestrictions

You make this simple file yourself and add it to the folder called Grand Theft Auto IV

On Windows 8 the folder called Grand Theft Auto IV is here:
C:/Program Files (x86)/Rockstar Games/Grand Theft Auto IV

It is possible to put more content in the "commandline.txt"-file.
See this video for example:

It's best to watch this video in HD (1080p).

IT SEEMS THIS SOLUTION WORKS ON SOME COMPUTERS BUT NOT ON ALL. (This fix is not recommended if your graphics card is below the minimum requirements for GTA IV.)

The song in the background is "Crimson Fly" by Huma-Huma. You can find it in the Youtube Audio Library.

IF THE SOLUTION IN THIS VIDEO DOES NOT WORK, try this solution from Rockstar Games support:

Here is another video about general problems of GTA IV and Windows 8 (Not Steam):

Problem fixes for GTA IV (Steam) and Windows 8:

Here is some info for making an advanced commandline:
Advanced commandline
(use these items to make an advanced commandline)

-renderquality: Set the render quality of the game. (0-4)
-shadowdensity: Set the shadow density of the game. (0-16)
-texturequality: Set the texture quality of the game. (0-2)
-viewdistance: Set the view distance of the game (0-99)
-detailquality: Set the detail quality of the game. (0-99)
-novblank: Disable wait for vblank (No Vsync)
-norestrictions: Do not limit graphics settings
-width: Set width of main render window (default is 800)
-height: Set height of main render window (default is 600)
-safemode: Run the graphics in the lowest setting possible
-frameLimit: Limit frame to interval of refresh rate
(ex If refreshrate is 60HZ --frameLimit 1 = Locks down to 60HZ)
-refreshrate: Set the refresh rate of main render window
-- Warning - Monitor must support (ex. --refreshrate 60)
-fullscreen: Force fullscreen mode
-windowed: Force windowed mode
-availablevidmem: Set amount of physical Video Memory(ex. --availablevidmem 0.9)
-percentvidmem: Percentage of video memory to make available to GTA
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