PC requirements

Assassin's Creed Brotherhood System Requirements

Assassin's Creed Brotherhood needs at least Intel Core® 2 Duo 1.8 GHZ or AMD Athlon X2 64 2.4GHZ, 1.5 GB Windows® XP / 2 GB Windows Vista® - Windows 7® of RAM and 256 MB DirectX® 9.0–compliant card with Shader Model 3.0 or higher (see supported list*) graphics. For the recommended experience you want Intel Core® 2 Duo E6700 2.6 GHz or AMD Athlon 64 X2 6000+ or better, 1.5 GB Windows® XP / 2 GB Windows Vista® - Windows 7® of RAM and GeForce 8800 GT or ATI Radeon HD 4700 or better graphics.

Verified Sources: Steam store listing
Assassin's Creed Brotherhood minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows® XP (32-64 bits) /Windows Vista®(32-64 bits) Windows® XP (32-64 bits) /Windows Vista®(32-64 bits)
Processor Intel Core® 2 Duo 1.8 GHZ or AMD Athlon X2 64 2.4GHZ Intel Core® 2 Duo E6700 2.6 GHz or AMD Athlon 64 X2 6000+ or better
Memory 1.5 GB Windows® XP / 2 GB Windows Vista® - Windows 7® 1.5 GB Windows® XP / 2 GB Windows Vista® - Windows 7®
Graphics 256 MB DirectX® 9.0–compliant card with Shader Model 3.0 or higher (see supported list*) GeForce 8800 GT or ATI Radeon HD 4700 or better
Storage 8 GB 8 GB
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

Assassin's Creed Brotherhood is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Assassin's Creed Brotherhood on PC

Can my PC run Assassin's Creed Brotherhood?
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 Assassin's Creed Brotherhood need?
8 GB
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.