"How to redeem a code on Xbox console;

Press the Xbox button to open the guide, and then select Store.
Press the View button to open the side menu, and then select Redeem.
Enter the 25-character code, select Next, and then follow the prompts.

How to redeem a code from a PC or mobile browser; 

From a web browser, go to redeem.microsoft.com.
Enter the 25-character code, select Next, and then follow the prompts."

Buy Assassin's Creed Valhalla Complete Edition (XBOX One)

Buy Assassin's Creed Valhalla Complete Edition (XBOX One)

Assassin's Creed Valhalla Complete Edition (Xbox Games US)

Assassin's Creed Valhalla Complete Edition (Xbox Games BR)

Assassin's Creed Valhalla Complete Edition (Xbox Game EU)

Assassin's Creed Valhalla Complete Edition (Xbox Games UK)

Assassin's Creed Valhalla Complete Edition (Xbox Games TR)

Assassin's Creed Valhalla Complete Edition (XBOX One)

Comments about Assassin's Creed Valhalla Complete Edition (XBOX One)

Recharge Assassin's Creed Valhalla Complete Edition (XBOX One) - Online

Buy Assassin's Creed Valhalla Complete Edition (XBOX One)

Assassin's Creed Valhalla Complete Edition (Xbox Games US)

Assassin's Creed Valhalla Complete Edition (Xbox Games BR)

Assassin's Creed Valhalla Complete Edition (Xbox Game EU)

Assassin's Creed Valhalla Complete Edition (Xbox Games UK)

Assassin's Creed Valhalla Complete Edition (Xbox Games TR)

Assassin's Creed Valhalla Complete Edition (XBOX One)

Comments about Assassin's Creed Valhalla Complete Edition (XBOX One)

Recharge Assassin's Creed Valhalla Complete Edition (XBOX One) - Online

Information