Complex sentence: On 27 January 2012, CD Projekt RED announced an "Enhanced Edition" of "The Witcher 2" via its sister company GOG.com, which was released on 17 April 2012 on the Xbox 360 and on the Windows PC via Steam and GOG.com.
Split into simpler sentences: On 27 January 2012, CD Projekt RED announced an "Enhanced Edition" of "The Witcher 2" via its sister company GOG.com. It was released on 17 April 2012 on the Xbox 360 and on the Windows PC via Steam and GOG.com.