PC requirements

ArmA 2: Operation Arrowhead System Requirements

ArmA 2: Operation Arrowhead needs at least Intel Core 2.4 GHz or AMD Dual-Core Athlon 2.5 GHz, 1GB of RAM and Nvidia Geforce 8600GT or ATI Radeon 3650 or faster with Shader Model 3 and 512 MB VRAM graphics. For the recommended experience you want Intel Core i5 or AMD Athlon Phenom X4 or faster, 2GB of RAM and Nvidia Geforce GTX 260 or ATI Radeon HD 5770 or faster with Shader Model 3 and 896 MB VRAM graphics.

Verified Sources: Steam store listing
ArmA 2: Operation Arrowhead minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows 10 Windows 10
Processor Intel Core 2.4 GHz or AMD Dual-Core Athlon 2.5 GHz Intel Core i5 or AMD Athlon Phenom X4 or faster
Memory 1GB 2GB
Graphics Nvidia Geforce 8600GT or ATI Radeon 3650 or faster with Shader Model 3 and 512 MB VRAM Nvidia Geforce GTX 260 or ATI Radeon HD 5770 or faster with Shader Model 3 and 896 MB VRAM
Storage 10 GB free space 20 GB 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

ArmA 2: Operation Arrowhead is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running ArmA 2: Operation Arrowhead on PC

Can my PC run ArmA 2: Operation Arrowhead?
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 ArmA 2: Operation Arrowhead need?
10 GB free 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.