Here are the Prison Architect 2 System Requirements (Minimum)
CPU: Intel® Core™ i7-6700K | AMD® Ryzen™ 5 2600X
RAM: 8 GB
VIDEO CARD: Nvidia® GeForce™ GTX 970 (4 GB) | AMD® Radeon™ RX 480 (8 GB)
DEDICATED VIDEO RAM: 4 GB (AMD 8GB)
PIXEL SHADER: 5.1
VERTEX SHADER: 5.1
OS: Windows® 10 Home 64 Bit