r.ScreenPercentage command

r.ScreenPercentage percent
Command effect
This command sets the internal resolution scale. The default scale is 100%.
Default parameter
100
Example
r.ScreenPercentage 75

How to enter a cheat code

Cheat codes are entered in the console. Enable the console by pressing Ctrl Shift L. After enabling the console, you can open the console by pressing the § / ~ / ` key, which is usually located in the upper-left corner of the keyboard. (Press the § / ~ / ` again if you want the console to be opened in a larger window.)