
Below is a list of various command line options that can be used with Grand Theft Auto IV (4) (external link) on the PC:
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 ar. Download of commandLine.txt (commandLine.txt (external link: SF.net): 1,236 bytes) will begin shortly.If not so, click link on the left. Then open the one you created or the existing one, commandline.txt paste this into the Text Document:-width 640 -height 480 -refreshrate? 75 -novblank -texturequality 1 -renderquality 0 -viewdistance 0 -detailquality 0 -shadowdensity 0 -nomemrestrict -availablevidmem 4.0 -norestrictions -percentvidmem 100 -noprecache -safemode -fullscreen -framelimit 100 -Noswapdelay -Managed -Usedirectinput.
| -benchmark | Runs the benchmark tool and exits the game |
| -help | Displays a list of command line options |
| -renderquality | (0-4) |
| -shadowdensity | (0-16) |
| -texturequality | (0-2) |
| -viewdistance | (0-99) |
| -detailquality | (0-99) |
| -novblank | Disable vsync |
| -norestrictions | Do not limit graphic settings within the game |
| -width | |
| -height | |
| -safemode | Runs the graphics in the lowest setting possible |
| -frameLimit | Limits frames to a multiple of the refresh rate i.e. if your refresh rate is 60Hz then setting this to 1 would locks the frame limit at 60 |
| -refreshrate | |
| -fullscreen | |
| -windowed | |
| -availablevidmem | Set amount of available physical video memory |
| -percentvidmem | Percentage of video memory available to the game |
- Installation takes: 13 minutes on 8-threads CPU; 25 minutes on 4-threads CPU After-install integrity check so you could make sure that everything installed properly HDD space after installation: up to 23 GB You can change the game language by copying “commandline.txt” from correspoding subfolder of “Language Changer” to the game root.
- A way to fix the annoying way under specs vram in GTA IV is to create a text document in the GTA IV installation folder (ie: C: Program Files (x86) steam steamapps common GTAIV GTAIV) called commandline.txt and put the following text in that document: -availablevidmem 2.0 and then save it. On my pc it adds hundreds of MB so i put in -availablevidmem 20.0, and i now have something like.
| -fullspecaudio | Force high-end CPU audio |
| -minspecaudio | Force low-end CPU audio |
| -noprecache | Disable the precaching of resources |
| -nomemrestrict | Disable memory restrictions |

You can these commands easily by creating a commandline.txt file within your default GTA IV install folder (the default is C:Program FilesRockstar GamesGrand Theft Auto IV), put each command on its own line to run multiple commands at once.


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