Both games are on sale in honor of the recent The Witcher 3: The Wild Hunt announcement. The Witcher: Enhanced Edition Director's Cut is available for $4.99, while the Witcher 2: Assassins of Kings Enhanced Editions is $9.99. Both games are available for Windows PC and Mac.
The Witcher 3: The Wild Hunt was confirmed yesterday via Game Informer's March 2013 issue. The game is expected to launch in 2014 on PC and "all high-end platforms available."
The GOG and Steam sales will come to an end on Feb. 8 at 5:59 a.m. ET.