PC requirements

Sid Meier's Civilization IV: Colonization System Requirements

Sid Meier's Civilization IV: Colonization needs at least 1.2 GHz Intel Pentium 4 or AMD Athlon processor or equivalent, 512 MB RAM and DirectX 9.0c-compatible 64 MB video card with Shader 1.1 Support or better graphics. For the recommended experience you want 1.8 GHz Intel Pentium 4 or AMD Athlon processor or equivalent, 1 GB RAM and 128 MB Video Card w/ DirectX 9 support (pixel & vertex shaders) graphics.

Verified Sources: Steam store listing
Sid Meier's Civilization IV: Colonization minimum and recommended PC specifications
Component Minimum Recommended
Processor 1.2 GHz Intel Pentium 4 or AMD Athlon processor or equivalent 1.8 GHz Intel Pentium 4 or AMD Athlon processor or equivalent
Memory 512 MB RAM 1 GB RAM
Graphics DirectX 9.0c-compatible 64 MB video card with Shader 1.1 Support or better 128 MB Video Card w/ DirectX 9 support (pixel & vertex shaders)
Storage 900 MB —
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.

Other platforms

Sid Meier's Civilization IV: Colonization is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Sid Meier's Civilization IV: Colonization on PC

Can my PC run Sid Meier's Civilization IV: Colonization?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Sid Meier's Civilization IV: Colonization need?
900 MB
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.