Native controller support with full remapping, improved game stability, and an auto-save feature.
For those who couldn't afford or didn't want to purchase the game on Steam, a cracked version of Final Fantasy VII became a popular alternative. The "crack 20 upd" likely refers to a specific version of the cracked game that's been updated to fix various bugs and issues.
If you already owned the game before this transition, here is what you need to know: