Step 4. Go to Note 4 CWM/TWRP Recovery page and download the appropriate “tar” version of the recovery. If you don’t know what CWM or TWRP is, download the TWRP version.
Step 5. Also download Odin and SuperSU zip files:
Step 6. Unzip the ODIN zip file, then double-click on “odin3v185.exe” to run ODIN program.
Step 7. You should see one yellow-highlighted box with a random COM number. If you do see this you have Samsung USB drivers installed. If you don’t see this, download Samsung Note 4 USB drivers, run the driver program, then re-plug your USB cable from your Note 4 to your computer.
Step 8. Choose “PDA” button then select the “tar” recovery file you downloaded earlier for your Note 4.
Step 9. Hit “Start” and this will flash CWM or TWRP recovery to your Note 4.
Step 10. Your phone will reboot automatically, once rebooted, copy the SuperSU zip file you downloaded earlier to anywhere on your phone’s storage.
Step 11. Power off your phone, then hold down Volume Up, Center Home, and Power buttons together until you see “RECOVERY BOOTING” at top-left of your screen. Then let go of all buttons.