Because MUGEN is a 32-bit application, technically impossible for it to utilize 8GB of RAM
Steps to Apply:
The "Mugen 8GB Patch" is a slight misnomer. It does not magically grant MUGEN access to 8GB of RAM. Rather, it is a utility that flips a specific flag in the executable's header: the Large Address Aware (LAA) flag. mugen 8gb patch
How Does the 8GB Patch Work?
If you are a casual player with 20 characters, you likely don't need this. However, you should use it if: Because MUGEN is a 32-bit application