Using a Universal Chinese rooting program:
1- Download Samsung USB Drivers from HERE if you didn't download erlier
2- Download the rooting program from HERE
3- Enable usb debugging from your phone's settings
4- Connect phone with usb then:
Now you're rooted
*If you want to install other super user app because you don't understand chinese
download the super user app you prefer from play store
update the binary of the new super user app
uninstall the Chinese super user app