Step 1:Ok first of all make sure you know your login details for xbox live in case of account corruption.

Step 2: Make Sure you have a WaW gamesave And put that and your account on a flash drive.

Step 3: Download Modio.

Step 4: Put USB into PC and start up modio.

Step 5: Press Explore a Device in modio and press file and open device.

Step 6: Find your GT in the files then keep going through the folders til you see E000....

Step 7: Extract that to your Desktop

Step 8: [NOTE: YOU MUST NOW FIND A GAMESAVE EITHER FIND ONE SOMEWHERE OR SEARCH IN MODIO YOU WILL NEED A MODIO ACCOUNT IF YOU WISH TO USE MODIO] Find a save you want and put it on your desktop.

Step 9: Use Open a Save tool and open both E0000...and your prefered gamesave.

Step 10: Copy & paste both of the profile ID's from your account to the prefered gamesave.

Step 11: Rehash & resign your save.

Step 12: go back to your Explore my Device tool and locate the WaW folder then find saves.

Step 13: Drag your new save into where the old one is and overwrite it.

Step 14: Now back on xbox play WaW and resume campaign [NOTE DO NOT PRESS START]

Step 15: Press the Guide button and then close it and save and quit.

Step 16: Goto zombies then xbox live and invite a buddy ENJOY!!