Unhappy [Q] i Want Someone Expert to Help me !

Hello , how are you ?
i have some problems with my ASCEND p6 ,
This The Model Number : P6-U06
And Emotion UI v : 1.6
System : 4.2.2
i Hate this System version it's Sucks ,,
and i need to Upgrade to KitKat !
i don't know how , so i need someone to teach me , step by step how to update my damn phone
i just Root it , what i have to do , what i must have , cables , roms , tools , etc : )
and thank you :$