Activating a Desert Operations key is really simple, just follow these steps: 

1.  Download Desert Operations 
2.  Create your account here if you don't have a Desert Operations account already. 
3.  Start the game, click on the gift box (top left corner, center icon) and paste the code. (You can create the account here https://desertoperations.gamigo.com/en-gb/) 

The key is not working

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions:

• My key is Duplicated / Already used
• My key is Invalid
• My key is region locked / can't be activated in my country
• My key activated a different product
• My key did not activate all of the content