Downloads you will need (if you don't already have)
Xero
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This tutorial will be noob friendly.

Step 1:plug a USB into your xbox and go to system setting and then to memory (If you need to configure your device do it)

Step 2:Go to your harddrive and then go to profiles. Find the profile you wish to mod and select "move" and move it to your USB.

Step 3:Open up Modio on your computer and plug your USB into your computer. On modio find the "explore a device" under the quick actions section. Click on it and "Xbox360 Device Explorer" should open up.

Step 4:In the top right corner of the "Xbox360 Device Explorer" click "File" then select "Open/Close Drive"

Step 5:click through all the folders until your get to the very end which should be your profile and it should look like a long string of numbers and letters.
Right click it and choose extract then extract it to your desktop.

Step 6:Now open Xero and select "profile tools" and click "Black Ops GPD Editor" (don't double click it because it will just open two lol "

Step 7:Now click the little down arrow next to the "Open" button and then click "Open Profile" and find your profile that your extracted to your Desktop (should be a lot of number and letters) and open it.

Step 8:In the first of the 3 sections go all the way down to the bottom. You should see "set clanName" and in between the two "'s put what ever clan tag you would like (no more than 4 characters and you may already have a clan tag set, thats fine just delete and change it) Mine is "%@@%" but you can put stuff
like "3arc" or anything you want maybe even some words like :idea: .

Step 9(editing class names):In the Third section out of the 3 sections go the bottom. You should see "set customclass1" and in between the "'s just put what ever you would like for your class names. Put the ^ symbol followed by a number 1-8 to make it a color. Example- set customclass1 "^2TTG is AWESOME"

Step 10:Once done customizing everything hit save. Now open up Modio or if it is minimized just unminimize it. Open back up the explore device and click through all the folder again till your reach your profile. Right click and choose Inject file. Find the profile your had on your desktop (not the one that has .bak or .backup on it) then inject it. It will ask if you want to replace or overwrite it, Say Yes.

Step 11:Once it is overwritten you can close it up and and take out your USB. Plug it back into your xbox and move your profile back to your Harddrive. Then sign in and go Onto Black ops. Your clan tag should be what ever you set it as and same for your class names."

If your have any questions just send me a PM, post a comment or email me at Austinevans99 @ gmail.com