From FlyFF WIki
To run Flyff you will need:
- Windows 98 (with service pack 4)
- Window XP (with service pack 2)
- Windows Vista
- Windows ME
- Windows 2000 (with service pack 4)
- Direct X 9.0 or better required
- Recommended Graphic Driver should be Installed
- Recommended Chipset Driver compatible with Graphics should be Installed
|System||Minimum System||Recommended System|
|CPU||PentiumIII 800MHZ||PentiumIII 1GHz|
|VGA||Geforce 2mx 200 32mb-64mb||Geforce 3 128mb-256mb|
The latest Direct X can be downloaded from Microsoft DirectX Download page.
Note that not all operating system can install the latest direct X 9.0 release from microsoft.