14-In the command window will copy from <<< Identifier Token Token Identifier Start ... until End >>> and save it in your computer.
15-The kit will choose option 4 "Submit Token ID" and will press Go.
16-When it appears, will begin meeting in HTC Dev.com and we will click on Unlock Bootloader
17-Select your device from the list and click on Begin Unlock Bootloader
18-We will press on following all the steps until you ask us the Token ID.
19-Glue the code you copied earlier in the command window and we click Continue.
20-We will send a file Unlock_Code.bin our email. We'll keep on your desktop.
21-The kit will choose the last option "Unlock Bootloader".
22-We will choose the Unlock_Code.bin when we request it and we will click OK.
23-The HTC One will select YES by using the volume buttons and
will press the power button to select it. We will have unlocked the bootloader.
24-When the smartphone is opened we will enable USB debugging and will get the options of developers in the same way we've done it before.
25-Now, in the Kit will choose the custom recovery we want and will press on recovery flash.
26-First close the command window when you leave and again when the process is finished. Use the volume buttons to reset the smartphone.
27-The kit will choose Perm Root, and when he appears close the first command line. we will close after showing us that it has already transferred all.
28-In the recovery mode will choose the Install or Install option and will choose the SuperSU.zip file. We will continue to install it. Finally we restart the HTC One.
29-We should see the icon SuperSU in our application launcher.
I know it's a long process, but the truth is that it is not difficult. Enjoy it!