Requirements -:
Samsung USB Drivers Install in PC for Your Device (Drivers Included in Samsung Kies, So you can install it) – Download Samsung Kies
Odin Latest Version For Flash Custom Recovery
TWRP Recovery for Samsung – Download TWRP
Follow the steps -:
1) At First, Open Settings from your Device, Goto About Phone, and Tap 7 Times of Build Number. Now Go Back to Settings, and Select option of Developer options, and Tick on OEM Unlock Option.
2) Now, Turn Off your Device, and Wait Till It Completely Shut Down.
3) After Successfully Turn off your Device, Now Press and Hold Volume Down + Home + Power Keys at Same Time, for Open Odin Download Mode from your Samsung .
4) Now, Open Odin Latest Version from your PC, which you was downloaded from above link in Requirements. and connect your Phone to PC with the help of USB Data cable.
If your Phone is Successfully Detected in PC, then you will see a Yellow sign in Odin. Now, Click on AP/PDA Tab and Select TWRP Recovery, Which you was downloaded Before.
5) Do And Then Hit Start button, and Wait till flashing Process finish, and you are done, now you can enjoy TWRP Mode in your Device by pressing Volume Up + Home + Power while turning on your Device.