To install Xbox Game Pass Ultimate, after payment you need to provide a login (email) and password from your Xbox (Microsoft) account in the chat with the purchase 
Any previous subscription on the account must expire by this time.
Setting up a subscription is possible on any account, even if you had a subscription before!
 Having paid for this product, you get a unique code that you need to inform the seller in the chat with the purchase 
Xbox Game Pass Ultimate Subscription Includes:
Xbox Game Pass Core
Xbox Game Pass
Xbox GamePass PC
EA Play
EA Play for PC

A complete list of games included in the subscription can be viewed at the link:
https://www.xbox.com/en-US/xbox-game-pass/games
The library of available games is constantly updated and today it includes 503 games for Xbox One / Series X | S, and 465 games for PC.

Some of the top games included in the subscription:
Assassin's Creed Odyssey
Assassin's Creed Valhalla
Assassin's Creed Origins
Atomic Heart
Battlefield 2042
Call of Duty: Modern Warfare III
Controller Ultimate Edition
Diablo IV
DIRT 5
Dishonored 2
DOOM Eternal
Far Cry 6
EA SPORTS FC 24
FIFA 23 coins
Forza Horizon 5
Gears 5
Halo 5: Guardians
It Takes Two
Madden NFL 24
Microsoft Flight Simulator Standard 40th Anniversary Edition
minecraft legends
Mortal Kombat 11
NBA 2K24
NBA 2K24
Need for Speed ​​​​Heat
NHL 22
NHL 24
RESIDENT EVIL 3
Senua's Saga: Hellblade II
STAR WARS Jedi: Fallen Order
STAR WARS Jedi: Survivor
The Elder Scrolls V: Skyrim
UFC 4
Watchdogs 2