To run the game smoothly, you'll generally need a Windows 10 system with at least 8 GB of RAM and a Quad Core processor.

Are there specific gameplay mechanics or training strategies you would like to know more about?

Searching for a "free download" of MMA Life Simulator v0.2.2

The developer supports a "try before you buy" demo model. The free version (v0.2.2) includes the full amateur career path (your first 5 fights) and one weight class (Welterweight).