Samsung Odin Is a flashing tools for Samsung galaxy phone and tablets. It make Samsung phone easy to unbrick and make pro user fearless for trying new thing in thayer Samsung phone
You need Samsung odin For
Flash stock rom
Flash custom recovery
Flash custom rom (.tar file)

You need to install latest Samsung Usb drive before install Samsung Odin
Make sure you enable USB Debugging in your samsung Phone

Download Samsung Usb Driver

DOWNLOAD SAMSUNG ODIN