okay I'm gonna make this as simple as possible for you people who have no idea.
Go to chris's hacking method:
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Now u gnna download MPDATA from that topic and move it to a REGULAR offline profile (The one you made from splitscreen)
then download Supakilla's. then copy BOTH files in your flash drive and move it over
Then get on mw2
go to split screen and upload the save with chris's MPdata, you well get a error. go back to split screen>continue> then after prestige
THEN
go back to splitscreen and upload supakilla's file.
GO ONLINE and prestige there, then have fun with your account.
NOTES-
Once you get to rank 4 you get 10 custom classes
well I did, is this normal?
btw how do I edit it with the hex to turn it from 9 to 8? help would be very helpful since not everyone wants 10th prestige