Baseline (Widescreen) Solution & Issues
The Retail Version only offers 4:3 resolutions and the Steam Version offers only resolution till 1920x1080.
To get higher you need a modified DLL see files available from the PC Gaming Wiki Community Files (search there), Borderless Gaming and a Command Line Parameter (Set Launch Options in Steam).
1. Extract D3DIM700.DLL in your Game root Folder
2. In Steam go to Set Launch Options and add these Text: -win -w 2560 -h 1440 (you can use any resolution here)
3. Use Borderless Gaming to get Fullscreen.
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Same Solution as in Widescreen:
1. Extract D3DIM700.DLL in your Game root Folder
2. In Steam go to Set Launch Options and add these Text: -win -w 3440 -h 1440 (you can use any resolution here)
3. Use Borderless Gaming to get Fullscreen.
Eyefinity / Surround Specific Solution & Issues
Same Solution as in Widescreen:
1. Extract D3DIM700.DLL in your Game root Folder
2. In Steam go to Set Launch Options and add these Text: -win -w 5760 -h 1080 (you can use any resolution here)
3. Use Borderless Gaming to get Fullscreen.
4k UHD Specific Solution & Issues
Same Solution as in Widescreen:
1. Extract D3DIM700.DLL in your Game root Folder
2. In Steam go to Set Launch Options and add these Text: -win -w 3840 -h 2160 (you can use any resolution here)
3. Use Borderless Gaming to get Fullscreen.