PC requirements

The Witcher 3: Wild Hunt - Hearts of Stone System Requirements

The Witcher 3: Wild Hunt - Hearts of Stone needs at least Intel CPU Core i5-2500K 3.3GHz / AMD CPU Phenom II X4 940, 6 GB RAM and Nvidia GPU GeForce GTX 660 / AMD GPU Radeon HD 7870 graphics. For the recommended experience you want Intel CPU Core i7 3770 3.4 GHz / AMD CPU AMD FX-8350 4 GHz, 8 GB RAM and Nvidia GPU GeForce GTX 770 / AMD GPU Radeon R9 290 graphics.

Verified Sources: Steam store listing
The Witcher 3: Wild Hunt - Hearts of Stone minimum and recommended PC specifications
Component Minimum Recommended
Operating system 64-bit Windows 7 or 64-bit Windows 8 (8.1) 64-bit Windows 7 or 64-bit Windows 8 (8.1)
Processor Intel CPU Core i5-2500K 3.3GHz / AMD CPU Phenom II X4 940 Intel CPU Core i7 3770 3.4 GHz / AMD CPU AMD FX-8350 4 GHz
Memory 6 GB RAM 8 GB RAM
Graphics Nvidia GPU GeForce GTX 660 / AMD GPU Radeon HD 7870 Nvidia GPU GeForce GTX 770 / AMD GPU Radeon R9 290
Storage 10 GB available space 10 GB available space
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.

Other platforms

The Witcher 3: Wild Hunt - Hearts of Stone is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running The Witcher 3: Wild Hunt - Hearts of Stone on PC

Can my PC run The Witcher 3: Wild Hunt - Hearts of Stone?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does The Witcher 3: Wild Hunt - Hearts of Stone need?
10 GB available space
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.