Commandline.txt to fix low vRAM problem in GTA IV and EFLC.
Just download the file, extract it, and copy /paste it into GTA IV/EFLC's directory (C:\Program Files (x86)\Rockstar Games\Grand Theft Auto IV/Episodes from Liberty City)
For Steam:
1) Download and extract the file
2) Copy the commands in the file
3) Open up Steam
4) Go to Library > Right-click GTA IV/EFLC > Click on properties
5) Click on Set Launch Option > Paste the commands
6) Click OK