Here are the A Space for the Unbound System Requirements (Minimum)
CPU: Intel Core 2 Duo E6320 (2*1866) or equivalent
RAM: 2 GB
VIDEO CARD: GeForce 7600 GS (512 MB) or equivalent
DEDICATED VIDEO RAM: 256 MB
PIXEL SHADER: 3.0
VERTEX SHADER: 3.0
OS: Windows 7
FREE DISK SPACE: 3 GB
A Space for the Unbound Recommended Requirements
CPU: Intel® Core™ i3-6100 Processor or equivalent
RAM: 4 GB
VIDEO CARD: GeForce GTX 1050 or equivalent
DEDICATED VIDEO RAM: 2048 MB
PIXEL SHADER: 5.1
VERTEX SHADER: 5.1
OS: Windows 10
FREE DISK SPACE: 3 GB