Baseline (Widescreen) Solution & Issues
Res Launcher & Cam Hack downloads available below.
As alternative you can use NFSMW widescreen fix, it's a plugin, which allows the game to run in widescreen resolution, defined in nfsmwres.ini, without running any external tools. Exe v1.3 (6 029 312 bytes) supported. To install copy content of NFSMW_widescreen_fix.zip in NFS MW root directory. More info and feedback at gtaforums topic. Latest Widescreen fix fixes all the issues.
Ultra-Widescreen (21:9) Specific Solution & Issues
Eyefinity / Surround Specific Solution & Issues
4k UHD Specific Solution & Issues
Stereoscopic-3D Solution & Issues