Installing TWRP on Samsung Galaxy Tab 8.9 SGH-i957

All files (TWRP, Danno ROM, Gapps) located here:

https://forum.xda-developers.com/showthread.php?p=76879448#post76879448

Instructions using Odin to flash TWRP on the tablet:
https://www.theandroidsoul.com/how-to-install-twrp-recovery-using-odin/

Moved the ROM and Gapps files over to the TWRP folder (in stock android GUI allow USB mode) from Windows

Install from zip file both the ROM and Gapps.  Reboot.