Hello everybody!
I'm wondering what version of os X can work with my pc because I already tried a lot of version and everytime, I get an error!

Here is my PC's Config:
Gateway DX4640 UB101A
Intel Pentium Dual Core @ 2.20GHZ - CPU (64Bits)
4 GB - Memory
nForce 630i - Motherboard
Geforce 7100 - Graphics
Serial Ata 320GB HDD - Storage