Final Configuration for GTX 980 and GTX 970 4Gb

Installation

1) Copy all lines, except those related to the resolution.

2) Let’s tear off your system.xml file

My Documents\Rockstar Games\Red Dead Redemption 2\Settings

3) Insert, Replace, Save in 1920x1080 resolution, see screenshot

4) Set the “Read Only” attribute in the file properties

5) Play

Do not change the graphics settings in the game itself!