For 48 hours only. From the Ars Technica website: Ars Technica has teamed up with GOG.com to give away free copies of The Witcher Enhanced Edition. These codes are only available for a limited time so grab yours today! We’re giving away a few hundred thousand copies of The Witcher: Enhanced Edition—all you have to do is click in the sidebar over there (on the Ars Website(arstechnica.com)) to claim a code. You’ll be redirected to GOG.com to redeem the code and download the game. It’ll work on Windows or MacOS.