After purchase, you will receive a DLC (supplement) to the game Zero-K. Name dlc - Zero-K - Bronze
The price of this DLC product in official stores is 259 rubles.
Instruction for activation key:
1. If You have a steam account then register on steam. Be logged into steam.
2. After purchase You will receive a unique key that you want to copy
3. Steam opens find the button "Add game", then clicks on "Activate a product on steam"
4. In the window that appears, insert the key format - HHHHH-HHHHH-HHHHH
5. After activating the game appear in your library. You can download them from the steam servers.