Warning! Works only in regions supported by Xbox Live. Full list HERENote: Purchase of Xbox Game Pass Ultimate automatically upgrades your existing Xbox Live Gold or Xbox Game Pass membership(s) to Xbox Game Pass Ultimate at a conversion ratio each based on days remaining. Learn how this works at www.xbox.com/gamepass. Future code redemptions are also subject to a conversion ratio. Conversion ratio subject to change. All conversions to Xbox Game Pass Ultimate are final: Once converted, you cannot re-convert your Xbox Game Pass Ultimate membership back to a previous membership. WARNING! Warning!  Please exchange in the corresponding country. It can only be used for new accounts or the original XGPU has expired for more than 24 hours,These codes are non-stackable.