The product does not work on RU, BR, CN Battle.net accounts.
Go to www.battle.net. (If you don't have an account, at the top of the page, click Create Account). Go to account page. Click Add Game Key in your games cd-key and click ACTIVATE GAME. Run the Blizzard Downloader to download the game.
The GOTY Edition includes:
21 Extraordinary Heroes: Choose your hero from a diverse cast of soldiers, scientists, adventurers, and oddities. Iconic Environments: Fight on futuristic battlefields around the globe: the cobbled streets of King's Row in London; the mysterious Temple of Anubis; Numbani, where human and Omnic live in harmony, and more...
Bonus for other Blizzard games: Tracer hero for Heroes of the Storm. Baby Winston Pet for World of Warcraft. Overwatch Card Back for Hearthstone: Heroes of Warcraft. Mercy's Wings for Diablo III. Player Portraits: Tracer, Reaper, Pharah, Winston, Bastion, and Soldier: 76 for StarCraft II.
10 normal Loot Boxes (only included in Game of the Year Edition)