Before you redeem your code, make sure that you're signed in to the correct Microsoft account on your device or browser. Codes that are redeemed on the wrong account cannot be transferred to another Microsoft account by Xbox Support.
How to redeem a code from a PC or mobile web browser
1. Visit https://redeem.microsoft.com
2. Enter the 25-character code to activate product and select redeem
3. Confirm product details and select Next
4. Product is successfully activated on account
How to redeem a code in Microsoft Store on Windows PC
1. Press the Start button , and then enter store into the search bar.
2. Choose Microsoft Store from the results to open the app.
3. Select your account in the top-right corner of the screen, and then select ‘Redeem code or gift cards’.
4. Enter the 25-character code, select Next, and then follow the prompts.
How to redeem a code in Xbox app for Windows
1. Press the Start button , and then enter Xbox into the search bar.
2. Choose the Xbox app from the results to open the app.
3. Select your gamerpic, and then select Settings.
4. Select Redeem under Redeem a code.
5. Enter the 25-character code, select Next, and then follow the prompts.
How to redeem a code on Xbox Series X|S and Xbox One
1. Press the Xbox button to open the guide, and then select Store.
2. Press the View button to open the side menu, and then select Redeem.
3. Enter the 25-character code, select Next, and then follow the prompts.
How to redeem a code on Xbox 360
1. Press the Guide button on your controller.
2. Select Games & Apps, and then select Redeem Code.
3. Enter the 25-character code, and then follow the prompts to complete your redemption.
Video Instruction Link: https://www.youtube.com/watch?v=VQrcbxZgEDE
Any further additional assistance can be acquired by contacting Microsoft support at the following link : https://support.xbox.com/en-US/contact-us