After payment, you instantly get a shared Steam account (login and password) with the game No, I'm not a Human.
You can play the game only offline (offline) mode! To do this, you need to download and install the game from the Steam library. Enter the game before the menu or settings appear. Quit the game. In Steam, in the upper left corner, click steam - offline mode
On the account, in addition to No, I'm not a Human, there may also be other top games that you can play. About 35 games and add-
Steam