Steam has the Witcher franchise on sale right now.
Buy the entire trilogy and save an additional 10% for $22.02 , or you can buy individually:
The Witcher 3: Wild Hunt (Game of the Year Edition) – $19.99
The Witcher 2: Assassins of Kings Enhanced Edition – $2.99
The Witcher: Enhanced Edition Director’s Cut – $1.49
The Witcher 3 DLC is also on sale for 50% off. "Blood and Wine" and "Hearts of Stone" DLC are included in GOTY, but not the bundle.