Patch 1.5 update for The Witcher. You will need to have version 1.4 (aka the Enhanced Edition) installed first.

Modifications:

• Copy securities (DRM) are removed
• Playing the game no longer requires the game disc in the drive
• Patch solves problems with EAX and blurred graphics

Additionally:

• 5 bonus adventures made by the Witcher community: 'Deceits,' 'Blight of the Bogs,' 'Wraiths of Quiet Hamlet,' 'The Wedding,' Merry Witchmas.'