A "highly compressed" version of Resident Evil 4 typically refers to community-repacked versions of the game designed to reduce the download size from its standard
If you find the controls or visuals of the original PC port a bit dated, consider these tweaks: resident evil 4 pc highly compressed 15 full
The convenience of a 1.5GB download is tempting, but the modern official version is regularly on sale for $5 on Steam or GOG. For the price of a coffee, you avoid malware, corrupted saves, broken cutscenes, and legal liability. A "highly compressed" version of Resident Evil 4