PC requirements

LEGO Star Wars: The Complete Saga System Requirements

LEGO Star Wars: The Complete Saga needs at least Intel P3 1.0GHz or AMD Athlon XP or higher, 156MB of RAM, 512MB required for Vista and 128MB Graphics card with Shader Model 2.0 Capability graphics.

Verified Sources: Steam store listing
LEGO Star Wars: The Complete Saga minimum and recommended PC specifications
Component Minimum
Operating system Windows XP SP2/Vista
Processor Intel P3 1.0GHz or AMD Athlon XP or higher
Memory 156MB of RAM, 512MB required for Vista
Graphics 128MB Graphics card with Shader Model 2.0 Capability
Storage 5GB of free space
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

LEGO Star Wars: The Complete Saga is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running LEGO Star Wars: The Complete Saga on PC

Can my PC run LEGO Star Wars: The Complete Saga?
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 LEGO Star Wars: The Complete Saga need?
5GB of free space