Description
Lara Croft and the Temple of Osiris takes place deep in the deserts of Egypt. In her new adventure, Lara must join forces with rival treasure hunter Carter Bell and imprisoned gods Horus and Isis, to defeat the evil god Set. As Lara and her companions fight the elements of nature across the sands and through ancient tombs, they will battle legendary deities and creatures of myth. With the fate of the world at stake, Lara must recover the fragments of Osiris to stop Set from enslaving all mankind.
CRYSTAL DYNAMICS, LARA CROFT, the TEMPLE OF OSIRIS, the LARA CROFT AND THE TEMPLE OF OSIRIS logo, SQUARE ENIX, and the SQUARE ENIX logo are registered trademarks or trademarks of the Square Enix Group. All other trademarks are the property of their respective owners.
Steam 
How to activate your Steam key?
1. Open your Steam client. (If you don't have a Steam Client, you can install from here https://store.steampowered.com/about/)
2. Sign in to your Steam account. (If you don't have a Steam Account, you can create from here https://store.steampowered.com/join/)
3. Click “ADD A GAME” button which is at the bottom of the Steam Client.
4. Now select "Activate a product on Steam..."
5. Write or copy-paste your Steam key which you purchased from Gamesforpc.
6. Now your game is in your library.
7. Find your game in your library, select and click install to start your download.