I got you man. Some people think everybody is a coder when in-fact they are bad at explaining. *rolls eyes*
I used to, and still do, write manuals for everyday people to understand. Hope this helps ~(^.^)~
1...So you need to download the unren.bat file from here:
Unren.bat F95zone page (Click Me)
2...unzip the file in the folder with the "MEFF_Regular_edition.exe" file is
3...Double click it to launch it
4...Press 3 then enter.
5...Done! Start the game & Press "Shift & O(not zero)" at the same time
6...A developer console will pop up. Just copy and paste this there "prem_ver=1"
7...Press Enter key.
8...Done for real this time
Cheat option will be accessible now
Note: You should also enable options 5 & 6 too. It will give you force skip and rollback.