BioShock System Requirements

Windows XP (with Service Pack 2) or Windows Vista.
Minimum System Requirements:

CPU: Pentium 4 2.4GHz Single Core processor
System RAM: 1GB
Video Card: Direct X 9.0c compliant video card with 128MB RAM (NVIDIA 6600 or better/ATI X1300 or better, excluding ATI X1550).
Sound Card: 100% direct X 9.0c compatible sound card
Hard disc space: 8GB free space