If you are looking to play the authentic game, here are the official requirements to ensure it runs correctly on your system:
Some "highly compressed" versions are actually the Nintendo DS (NDS) version of the game. The original NDS ROM is naturally small, and further compression can bring it down to roughly 32 MB, though it offers a significantly different, lower-fidelity experience than the PC version. NFS Undercover Highly Compressed 32 MB Only
It is mathematically impossible to compress the full PC version of Need for Speed: Undercover (with all high-resolution textures, high-fidelity audio, and cinematic cutscenes) into a 32 MB archive. However, when you see a "32 MB only" link, it usually refers to one of three things: If you are looking to play the authentic
Extreme "repackers" sometimes remove all video files (movies), music, and ambient dialogue. In rare cases, they may also downscale textures to extremely low resolutions, though even then, hitting 32 MB for the PC version is unlikely without rendering the game unplayable. However, when you see a "32 MB only"