Press (to continue) to enter Download Mode (indicated by a green Android robot). Configure Odin : Open Odin on your PC.
Click the (or PDA in older Odin versions) button and select the gt-p5100-twrp-3.0.0-0.tar.md5 file. gt-p5100-twrp-3.0.0-0.tar.md5
Are you planning to install a like LineageOS once you have TWRP ready? Press (to continue) to enter Download Mode (indicated