Baseline (Widescreen) Solution & Issues
The game is based on the unreal 2k4 engine
go to x:\x\SWAT 4\Content\System
then open swat4.ini
search for
[WinDrv.WindowsClient]
then edit the lines that begin with
WindowedViewportX=
WindowedViewportY=
FullscreenViewportX=
FullscreenViewportY=
to your desired resolution ... for example ...
WindowedViewportX=1920
WindowedViewportY=1200
FullscreenViewportX=1920
FullscreenViewportY=1200
Sorry there is no way to change the FOV as yet.
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Eyefinity / Surround Specific Solution & Issues
4k UHD Specific Solution & Issues