Here are the Touhou Artificial Dream in Arcadia System Requirements (Minimum)
CPU: Intel Core 2 Duo
RAM: 256 MB
VIDEO CARD: Shader Model 3.0 compatible
PIXEL SHADER: 3.0
VERTEX SHADER: 3.0
OS: Windows Vista, 7, 8, 10
FREE DISK SPACE: 124 MB
CPU: Intel Core 2 Duo
RAM: 256 MB
VIDEO CARD: Shader Model 3.0 compatible
PIXEL SHADER: 3.0
VERTEX SHADER: 3.0
OS: Windows Vista, 7, 8, 10
FREE DISK SPACE: 124 MB