This is not a key. The game is sent as a gift. To receive the game, you must have an account of the country selected when purchasing. The required country must be specified on the page https://store.steampowered.com/account/ in the account settings. If the country specified on this page is not the one you selected when purchasing, you will not be able to receive the game.
Please note that prices for different regions may differ. Please carefully look at the list of countries and possible surcharges in the region selection menu when purchasing. Depending on the region selection, this game can only be received on accounts of the following countries:
All products are officially purchased through the Steam platform. All purchased products are covered by a lifetime warranty. If you have any difficulties with activation or receipt of the purchased product, immediately contact any of the contacts specified in the profile, or via chat on the sales website.