Odin’s latest version 3.09

Bootloader, PDA, Phone tabs have been renamed to BL, AP & CP respectively.


BL  -> Bootloader
AP  -> PDA
CP  -> Phone

Odin is Samsung’s mini flash tool and is used to flash and install stock firmwares, mods, custom recoveries or root your phone manually using your PC. 

Odin 3.09 is compatible with all versions of Windows including Windows XP, Vista, 7 & 8. 

The complete guide on how to use Odin can be found 
http://techbeasts.com/2013/08/08/download-odin-pc-latest-version-v-3-07/


Before beginning with Odin, you also need to have the Samsung USB drivers installed.
http://techbeasts.com/2013/08/07/android-usb-drivers-for-windows-download-google-nexsus-samsung-htc-hauwei-motorola-lg-usb-drivers-adb-fastboot/