PC requirements

Ragnarok Online System Requirements

Ragnarok Online needs at least Pentium II, 400MHz (or better), 128 MB RAM and Any with 3D Acceleration & at least 16MB on-board RAM graphics. For the recommended experience you want Pentium Dual Core or Better, 2 GB RAM and Nvidia GeForce 8000 or better graphics.

Verified Sources: Steam store listing
Ragnarok Online minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows-based (with administrative ability to install and patch) Windows 7
Processor Pentium II, 400MHz (or better) Pentium Dual Core or Better
Memory 128 MB RAM 2 GB RAM
Graphics Any with 3D Acceleration & at least 16MB on-board RAM Nvidia GeForce 8000 or better
DirectX Version 8.1 Version 8.1
Storage 2 GB available space 3 GB available space
Additional notes DirectSound (or compatible with 3D Sound Effect Support) DirectSound (or compatible with 3D Sound Effect Support)
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

Ragnarok Online is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Ragnarok Online on PC

Can my PC run Ragnarok Online?
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 Ragnarok Online need?
2 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.