Question: asus tf101 how to install twrp?
Answer: Download and Install ADB drivers.
Now, download Asus Transformer TF101 TWRP recovery . ... 
Move downloaded TWRP file to ADB folder (In C: Drive) and rename the file to “TWRP”.
Enable the USB debugging on your device after enabling 'Developer Options' by going to 'About phone' and tapping build number 7 times.