The "Enhanced Edition" was a significant free update released in April 2012 that added over 10GB of content to the base game. It is the definitive version of the title and includes:
The Witcher 2: Assassins of Kings continues the story of Geralt of Rivia, a professional monster slayer known as a Witcher. Set in a world created by Andrzej Sapkowski, the narrative is deeply political, following Geralt as he is framed for the assassination of King Foltest and must find the true killer while navigating warring kingdoms. Soubor: The Witcher 2 - Enhanced Edition.zip ...
: Over 100 bug fixes, a redesigned tutorial, and refined interface elements. Archive Contents & Distribution The "Enhanced Edition" was a significant free update
: A high-difficulty setting that provides unique, powerful dark-themed gear sets for Geralt. the narrative is deeply political