REGION: USA
PLATFORM: Xbox
PRODUCT INCLUDES:
• Hypatia Luminaria Outfit (LEGO® Style)
• LEGO® FORTNITE
Hypatia's Quarters Decoration Pack (includes 12 decorations)

Also, you can connect different platforms (Xbox/PS/Nintendo/Steam) to play on an Epic Games account with skins! https://www.epicgames.com/account/connections?productName=fortnite

Best way to redeem it is via Website:
1. Go to the website https://redeem.microsoft.com
2. Log in to your account.
3. Once the redemption window appears, enter the key code you got.