PC requirements

Just Cause 4 System Requirements

Just Cause 4 needs at least Intel Core i5-2400 @ 3.1 GHz | AMD FX-6300 @ 3.5 GHz or better, 8 GB RAM and NVIDIA GeForce GTX 760 (2GB VRAM or better) | AMD R9 270 (2GB VRAM or better) graphics. For the recommended experience you want Intel Core i7-4770 @ 3.4 GHz | AMD Ryzen 5 1600 @ 3.2 GHz or equivalent, 16 GB RAM and NVIDIA GeForce GTX 1070 (6GB VRAM or better) | AMD Vega 56 (6GB VRAM or better) graphics.

Verified Sources: Steam store listing
Just Cause 4 minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows 7 SP1 with Platform Update for Windows 7 (64-bit versions only) Windows 10 (64-bit versions only)
Processor Intel Core i5-2400 @ 3.1 GHz | AMD FX-6300 @ 3.5 GHz or better Intel Core i7-4770 @ 3.4 GHz | AMD Ryzen 5 1600 @ 3.2 GHz or equivalent
Memory 8 GB RAM 16 GB RAM
Graphics NVIDIA GeForce GTX 760 (2GB VRAM or better) | AMD R9 270 (2GB VRAM or better) NVIDIA GeForce GTX 1070 (6GB VRAM or better) | AMD Vega 56 (6GB VRAM or better)
DirectX Version 11 Version 11
Storage 59 GB available space 59 GB available 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

Just Cause 4 is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Just Cause 4 on PC

Can my PC run Just Cause 4?
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 Just Cause 4 need?
59 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.