Shadowrun Returns Digital Download Price Comparison
A Steam gift is a one-time transfer you receive. You activate and install the game on Steam, it is a non-refundable game that stays in your Steam games collection.
For Steam Platform: Steam CD Key (Region Free / Worldwide), you must download and register the code on the Steam Client, you can Download it (HERE). Then once you login, click Add a Game (located in the bottom Left corner) -> Activate a Product on Steam. There type in your CD Key and the game will be activated and added to your Steam account game library.
You can download with the CD Key directly from the store or from the game's publisher website. Please follow the steps and instructions given by the store.