PC requirements

Command & Conquer 3: Kane's Wrath System Requirements

Command & Conquer 3: Kane's Wrath needs at least 2GHz (2.2GHz Vista), 512 MB (1GB Vista) of RAM and nVIDIA GeForce 4, ATI Radeon 8500 or greater (ATI Radeon 9200 and 9250 PCI, nVIDIA Geforce 4 MX cards not supported.); for Vista NVIDIA GeForce 6100 or ATI Radeon 9500 or greater graphics.

Verified Sources: Steam store listing
Command & Conquer 3: Kane's Wrath minimum and recommended PC specifications
Component Minimum
Operating system Windows XP/Vista (64-bit not supported)
Processor 2GHz (2.2GHz Vista)
Memory 512 MB (1GB Vista)
Graphics nVIDIA GeForce 4, ATI Radeon 8500 or greater (ATI Radeon 9200 and 9250 PCI, nVIDIA Geforce 4 MX cards not supported.); for Vista NVIDIA GeForce 6100 or ATI Radeon 9500 or greater
Storage 6GB 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

Command & Conquer 3: Kane's Wrath is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Command & Conquer 3: Kane's Wrath on PC

Can my PC run Command & Conquer 3: Kane's Wrath?
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 Command & Conquer 3: Kane's Wrath need?
6GB of free space