Minimum:

OS: Microsoft® Windows® Vista (Service Pack 2) or Windows® 7 (Service Pack 1) or Windows® 8 or Windows 8.1. Windows® XP is NOT supported.
Processor: Dual-core CPU with SSE3 (Intel® Pentium® D 3GHz / AMD Athlon™ 64 X2 4200) or better
Memory: 2 GB RAM
Graphics: Microsoft® DirectX® 10.0 compatible graphics card with 256 MB of memory (NVIDIA® GeForce® 8800 series / ATI Radeon™ HD 3870) or better
DirectX: Version 11
Network: Broadband Internet connection
Storage: 18 GB available space
Sound Card: Microsoft® DirectX® 10.0 compatible sound card or better
Additional Notes: Windows® XP is NOT supported. Ensure graphics and audio drivers are up to date.

Sniper Elite 3 screenshots