Baseline (Widescreen) Solution & Issues
Steps:
-Just press the window button (the one between Ctrl and Alt)+R.
-This gonna open a window where you have to write the word: regedit. And press "Accept".
-Then another window gonna pop up asking you for permission. Hit OK.
-Then appear the registry page, and there find the "display" folder in the game folder.
-Then double click in "Width" and "Height" to change values.
-That gonna make appear the little window shown avobe and just put your desired resolution (click "decimal" before).
-Then accept all and run the game.
The result is Hor+.
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Eyefinity / Surround Specific Solution & Issues
4k UHD Specific Solution & Issues