1.) Have a USB any size around 1gb+ (4$ at wal-mart)
2.) Format it to be usable for xbox (settings/system/storage/storage device)
3.) Start a MW3 campaign on any difficulty
4.) Once it starts, save and exit
5.) Make sure you check to see if it saved (settings/system/storage/storage device)
6.) Plug you usb in after downloading [ Register or Signin to view external links. ]
7.) Start [ Register or Signin to view external links. ]
8.) If it doesn't open automatically, open the side bar (right)
9.) Locate the usb and double click or click the arrow
10.)Click the arrow next to games
11.)Click the arrow next to Modern Warfare 3
12.)Locate the save game (should be "Saved Game for *gamertag*")
13.)Click it once, and locate "Mod Package" right above the usb
14.)It should pop up a box called "Modern Warfare 3 Campaign"
15.)Mess with the sliders until you feel satisfied
16.)Do Not put on all weapons, it will freeze your game
17.)When done, push *save* in the top left corner
18.)If done right, it will have a pop-up saying "saved, rehashed, and resigned"
19.)Close the Modern Warfare Campaign box and pull out your usb
20.)Sign in on the gamertag you modded the campaign for
21.)***Make sure to load from the USB, NOT xbox***
22.)Resume campaign and have fun
**If this was an OK {TUT} Please leave a thanks or a comment!
***If this was posted already im sorry, i didnt get to see it!