Serious Sam HD: The First Encounter System Requirements
Minimum system requirements:
Intel Pentium 4 3+ Ghz or AMD Athlon64 3500+
nVidia GeForce 7600, ATI Radeon X1600 (Shader Model 3.0 Highly Recommended)
DirectX 9.0c August 2009 Edition or newer
Windows XP w/SP1 or newer
There are only official system requirements on the site which are released by developers or an official publisher.
Can you run it?
Compare the system requirements with a configuration you can add below.
I came, I saw, I shot it.
Plain and simple.
Its moving, shoot it.
Its shooting at you, shoot it.
It made a noise, shoot it.
You shot it, shoot it again.