Here are the Grey Hack System Requirements (Minimum)
CPU: SSE2 instruction set support
RAM: 512 MB
VIDEO CARD: DX10, DX11, DX12 capable GPU
PIXEL SHADER: 4.0
VERTEX SHADER: 4.0
OS: Windows 7 (SP1+), Windows 10, Windows 11
FREE DISK SPACE: 500 MB
CPU: SSE2 instruction set support
RAM: 512 MB
VIDEO CARD: DX10, DX11, DX12 capable GPU
PIXEL SHADER: 4.0
VERTEX SHADER: 4.0
OS: Windows 7 (SP1+), Windows 10, Windows 11
FREE DISK SPACE: 500 MB