In order for you to play Serious Sam: The Random Encounter on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP, Vista, 7 [Not Windows 10]
Processor (CPU):
2.0Ghz or faster processor
Memory (RAM):
1GB RAM
Hard Disk Space:
100MB free space
Video Card:
256MB Video Memory or higher, DirectX 8 or later
DirectX®:
8.0 or later