Minimum System Requirement
OS: Windows XP, WINDOWS VISTA , Windows 7 and Windows 8.
Processor: 3.0 GHz dual core or better
Memory: 4 GB system RAM
Hard Disk Space: 9 GB
Video Card: DirectX 9 compatible with 512 MB video RAM or better (NVIDIA GeForce GTX 460 /
ATI Radeon HD 5850)
Sound: Windows compatible sound card
Recommended Spec:
OS: Windows XP, WINDOWS VISTA , Windows 7 and Windows 8.
Processor: 2.4 GHz quad core or better
Video Card: DirectX 9 compatible with 768 MB video RAM or better (NVIDIA GeForce GTX 460 /
ATI Radeon HD 5850)
The Bethesda Blog also points out that the game is "enhanced" for 64-bit multi-core processors.
The PC version of Dishonored also includes incredibly customizable UI options. 9.