PC requirements

Assassin's Creed IV Black Flag System Requirements

Assassin's Creed IV Black Flag needs at least Intel Core2Quad Q8400 @ 2.6 GHz or AMD Athlon II X4 620 @ 2.6 GHz, 2 GB RAM and Nvidia Geforce GTX 260 or AMD Radeon HD 4870 (512MB VRAM with shader Model 4.0 or higher) graphics. For the recommended experience you want Intel Core i5 2400S @ 2.5 GHz or better or AMD Phenom II x4 940 @ 3.0 GHz, 4 GB RAM and Nvidia GeForce GTX 470 or AMD Radeon HD 5850 (1024MB VRAM with Shader Model 5.0) or better graphics.

Verified Sources: Steam store listing
Assassin's Creed IV Black Flag minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows Vista SP2 Windows Vista SP2
Processor Intel Core2Quad Q8400 @ 2.6 GHz or AMD Athlon II X4 620 @ 2.6 GHz Intel Core i5 2400S @ 2.5 GHz or better or AMD Phenom II x4 940 @ 3.0 GHz
Memory 2 GB RAM 4 GB RAM
Graphics Nvidia Geforce GTX 260 or AMD Radeon HD 4870 (512MB VRAM with shader Model 4.0 or higher) Nvidia GeForce GTX 470 or AMD Radeon HD 5850 (1024MB VRAM with Shader Model 5.0) or better
Storage 30 GB available space 30 GB available space
Additional notes DirectX Compatible Sound Card with latest drivers DirectX Compatible Sound Card with latest drivers
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.
Playing on a handheld instead? Players report Assassin's Creed IV Black Flag as Gold on Steam Deck and Linux.

Other platforms

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

Quick answers

Running Assassin's Creed IV Black Flag on PC

Can my PC run Assassin's Creed IV Black Flag?
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 IV Black Flag need?
30 GB available space
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.