: Use RPCS3 (for the PS3 version) or Vita3K (for the PS Vita version).

: Always copy your game folder before modifying it to prevent data loss.

You're looking for information on how to download and install the Kratos mod for Mortal Kombat 9 on PC. Here's some useful content:

Technical hurdles, such as the difference between PS3's and PC's Little Endian memory ordering, make direct file porting difficult. However, tools have been developed to help:

While this won't give you his moves, you can replace existing characters with Kratos's character model using the . How To Install Mortal Kombat 9 Mods (2011) On PC

If mods are unstable or unavailable, many users choose to emulate the original PS3 version of Mortal Kombat 9 on PC.