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| Minimum Specifications | Recommended Specifications | |
|---|---|---|
| CPU | Pentium 3 800MHz or higher | Pentium 4 2.4GHz or higher |
| RAM | 768MB | 2GB |
| VGA | 3D speed over GeForce2 or ATI 9000 | 3D speed over GeForce FX 5600 or ATI9500 |
| SOUND | DirectX 9.0c Compatibility card | DirectX 9.0c Compatibility card |
| HDD | 5GB or higher(including swap and temporary file) | 7GB or higher(including swap and temporary file) |
| OS | Windows Vista SP2 | Windows 7, 8, 8.1, 10 |
HT Fortress: