Here are the Middle-earth: Shadow of War System Requirements (Minimum)
CPU: AMD FX-4350, 4.2 GHz / Intel Core i5-2300, 2.80 GHz
CPU SPEED: Info
RAM: 6 GB
VIDEO CARD: AMD HD 7870, 2 GB / NVIDIA GTX 660, 2 GB
DEDICATED VIDEO RAM: 2048 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 7 SP1 with Platform Update
FREE DISK SPACE: 70 GB

Middle-earth: Shadow of War Recommended Requirements
CPU: AMD FX-8350, 4.0 GHz / Intel Core i7-3770, 3.4 GHz
CPU SPEED: Info
RAM: 12 GB
VIDEO CARD: AMD RX 480, 4 GB / NVIDIA GTX 970, 4 GB
DEDICATED VIDEO RAM: 4096 MB
PIXEL SHADER: 5.1
VERTEX SHADER: 5.1
OS: Windows 10 Creators Update
FREE DISK SPACE: 70 G