User manager 3.3 will not install on winbox 2.9!

Please can some help me on how to install usermanager on the winbox 2.9, i have a licence 4 s/w but im new to it. pls can i have a step by step guide to understand it, and install the usermanger. thanks :confused:

http://wiki.mikrotik.com/wiki/User_Manager/Getting_started