Here are the Outlast 2 System Requirements (Minimum)
CPU: Intel Core i3-530
CPU SPEED: Info
RAM: 4 GB
VIDEO CARD: 1GB VRAM, NVIDIA Geforce GTX 260 / ATI Radeon HD 4870
DEDICATED VIDEO RAM: 512 MB
PIXEL SHADER: 4.0
VERTEX SHADER: 4.0
OS: Windows Vista / 7 / 8 / 10, 64-bits
FREE DISK SPACE: 30 GB
SOUND CARD: DirectX Compatible

Outlast 2 Recommended Requirements
CPU: Intel Core i5
CPU SPEED: Info
RAM: 8 GB
VIDEO CARD: 1.5GB VRAM, NVIDIA Geforce GTX 660 / ATI Radeon HD 7850
DEDICATED VIDEO RAM: 1.5 GB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows Vista / 7 / 8 / 10, 64-bits
FREE DISK SPACE: 30 GB
SOUND CARD: DirectX Compatible