1. Open a web browser, and navigate to the GOG key redemption page. (https://www.gog.com/redeem)
  2. Create an account or log in if required.
  3. Locate the GOG key in your confirmation email, and copy it to your clipboard by pressing “Ctrl+C”.
  4. Paste the key from your clipboard in the product code section when asked, and follow the rest of the prompts to add the game to your library.
  5. Once approved, your game will be viewable in the “Library” tab, and is available to download/install when you’re ready!

    You can find additional support for the GOG GALAXY client here:
    https://support.gog.com/hc/en-us/categories/201553025