This general instruction is applicable to the products that are region-specific (Brazil, Turkey, Argentina, Russia, etc.) that require a VPN (Virtual Private Network) software to be redeemed but can be used worldwide once redeemed successfully. 

1. Download & install any Trial/Free VPN software on your phone/pc/mac. If you already have a VPN with the specified location on the product (Brazil, Turkey, Argentina, Russia, etc.), that will do.

2. Launch the VPN app and connect to a server. Again, please select the specified location on the product.

3. Once connected, visit the website and log in using the Xbox account where you want the product to be added.

4. Redeem the code.

Once activated, you can disable/uninstall the VPN and it will work just the same as a code bought from your home region. If you're using Free/Trial, make sure to cancel before the trial period ends.

Don't have a VPN? 

Please try the suggested ones below or you can click the country to open the Google search results for the VPN available:

BrazilZenVPN, ZenMate, NordVPN, or HotspotShield, TunnelBear (Chrome extension)
TurkeyZenVPN, NordVPN, HotspotShield
ArgentinaZenVPN, ZenMate, NordVPN, HotspotShield, TunnelBear (Chrome extension)
United KingdomZenVPN, ZenMate, NordVPN, HotspotShield, TunnelBear (Chrome extension)
USAZenVPN, ZenMate, NordVPN, HotspotShield, TunnelBear (Chrome extension)
Disclaimer: Electronic First is in no way connected to any of the abovementioned VPN services. These are 
mere suggestions for the customers' convenience, Customers are free to use any VPN service they prefer.

Having trouble redeeming your code? Check out the Fix Common Errors for XBOX.