Here are the Icarus: Styx Expansion System Requirements (Minimum)
CPU: Intel i5 8400
RAM: 16 GB
VIDEO CARD: Nvidia GeForce GTX 1060 6GB
DEDICATED VIDEO RAM: 6 GB
PIXEL SHADER: 5.1
VERTEX SHADER: 5.1
OS: Windows 10 (64-bit versions)
FREE DISK SPACE: 70 GB