The original game does not natively support widescreen or 4K resolutions. You can fix this through the in-game console or configuration files:
The most reliable way to get the game today is through the community, which provides a modern installer that includes the latest patches for Windows, Linux, and macOS. unreal-tournament-2004-download-for-pc-softfiler
Download the or the ISO files from community-vetted sources like Archive.org . The original game does not natively support widescreen
: Edit UT2004.ini in the System folder. Look for [WinDrv.WindowsClient] and update FullscreenViewportX and FullscreenViewportY . 3. Connecting to Multiplayer unreal-tournament-2004-download-for-pc-softfiler