Default How to root HTC Desire HD Android 2.3.5

Dear all,

I am newbie in rooting phone.
My phone is HTC Desired HD Android 2.3.5, HTC Sense 3.0, Software number 3.13.707.4.
I want to root my phone and used following softwares:

- Framaroot 1.9.3
- AAHK 07052012
- SuperOneClick
- HTC QuickRoot 1.1.13 Release

and results were fail.

Can anybody help me?
Pls instruct me step by step. Thank so much.

HDuong