Is my system compatible?

Hi! I used to have a MacBook Pro and loved it, but it died and I decided to get a gaming pc instead. But I miss the mac interface. This is my build:

Gigabytes 990FXA-UD3 Rev 3 Motherboard AMD FX-6200 6 core CPU GTX 760 but also have a GT 620 8GB of RAM

Now if it is compatible, how would I go about installing it without access to a mac to make the installer. Also any general information a first timer should know. Thanks in advance!