Download Samsung Kies for Galaxy Chat GT-B5330 from this link.
After Downloading the Samsung Kies software you have to install it into your Computer before connecting your device, So all you have to do is installing it like any other windows software or program, Restart the computer then connect the device to it using USB cable.
After your computer detects the device and installs the need driver for it, You can manage everything in your device like messages, Contacts, and much more.
In case this is the first time you know this program then here is a great link to learn more about How To Use Samsung Kies.
Notice: This Software support all Windows versions and Mac OS too.
