HTC M8 VZW rooted stuck on 4.4.4 want to move to 5.01

I have been in fast boot current bootloader screen is hboot 3.19.0.0000 radio 1.12.20.1211 and os 4.17.605.9
Im S-off unlocked
with TWRP 3.0.2.0 installed

from xda-developers http://ift.tt/2aiF9RL
via IFTTT