Baseline (Widescreen) Solution & Issues
Native.
From the main menu, go to Options, Display. Hit Enter until you find your desired resolution (including color depth), then press Esc to apply and Enter again to confirm.
Vert- in widescreen. Multi-mon is 16:9 stretched.
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Eyefinity / Surround Specific Solution & Issues
4k UHD Specific Solution & Issues