Let’s not play dumb. This version requires you to own a legitimate copy of Ultimate Marvel vs. Capcom 3 on PC or PS3/360 to be 100% in the clear. That said, the compression tools and mods themselves are legal. The community recommends you buy a $5 used key for the Steam version, then use the compressed build for actual play.
"Highly compressed" refers to game files (often called "repacks") that have been shrunk significantly to reduce download time and storage space. ULTIMATE MARVEL VS. CAPCOM 3 system requirements marvel vs capcom 3 pc download highly compressed better
