Go to the site and enter the code 2L4K-7KK5-HFM9 as it is reusable.
Enter the details it asks for (Name, Email address, Date of birth & Platform), you can use a fake email address. The code is automatically generated on the site and no email verification is required.
The way I understand it is that a 25 character code is generated for Xbox One.
A UPlay code is created for Xbox 360.
I believe PS3 & PS4 codes are standard codes but apparently PS4 codes can be buggy.
Use only the right side of the webpage. The left side is for people in the USA for a chance to win!
PS4 codes only work on us store