If you want to play Dragona World with the normal graphics settings, you need following system requirements:

Category
Minimum
Recommended
CPU
Intel Dual Core /
AMD Athlon 64 X2 or higher
Intel Quad Core /
AMD Phenom II X4 or higher
RAM
Min. 2 GB
Min. 4 GB
VGA
NVIDIA GeForce 8600GT /
AMD Radeon 4550 or higher
NVIDIA GeForce GTX 260 /
AMD Radeon HD 5770 or higher
Hard disk
Min. 7 GB (Installation requires 10 GB)
Min. 7 GB (Installation requires 10 GB)
OS
Windows 7, 8, 10
Windows 7, 8, 10
DirectX
9.0c (2008.6)
9.0c (2008.6)



Source: https://dragonaworld.com/media/download/