Here are the Pumping Simulator 2 System Requirements (Minimum)
CPU: Info
CPU SPEED: Double Core 2 Ghz or better
RAM: 4 GB
VIDEO CARD: Intel HD 520, Nvidia GeForce GT 730, AMD Radeon R7 240 or better
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 7
FREE DISK SPACE: 7 GB
Pumping Simulator 2 Recommended Requirements
CPU: Core i5-8400 // AMD Ryzen 5 2600
RAM: 8 GB
VIDEO CARD: Nvidia GeForce GTX 1060 or equivalent
DEDICATED VIDEO RAM: 3072 MB
PIXEL SHADER: 5.1
VERTEX SHADER: 5.1
OS: Windows 10
FREE DISK SPACE: 7 GB