download here and install as you would any other apk
open the app and hit temporary root
let it run till you are notified of its success
you now have temporary root!!
*Note you have to reapply z4 each time you reboot your phone
full instructions and the link to visionary can be found here.
PLEASE DO NOT ACCEPT ANY OTA UPDATES!!!!!!!!!!!!!!!!!
they patched the root exploit on the desire z when they updated you can most definitely expect them to do the same for the shift so please for that sake of everybody being able to get proper root do not accept any updates unless further notified!!!
unless you just dont care about root that is.....