Minimum:

OS: Windows XP, Windows Vista and Windows 7
Processor: Intel Core®2 Duo E6700 @ 2.6GHz or AMD Athlon64 X2 6000+ @ 3.0Ghz or better
Memory: 4 GB RAM
Graphics: 512MB Video RAM(1GB Video RAM), DirectX9c Shader Model 3.0
DirectX: Version 9.0c
Storage: 3 GB available space
Sound Card: DirectX Compatible(Recommended Surround Sound 5.1 capable)
Additional Notes: Supported Video Cards: AMD Radeon™ HD 2900/3000/4000/5000/6000/7000 series, NVIDIA® GeForce® 8800GTX/9/200/400/500/600 series, INTEL HD 3000/4000. Laptop versions of these cards may work, but are not supported. These chipsets are the only ones that will run this game.

Legends of Aethereus screenshots