Few questions from a newcomer

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http://forums.androidcentral.com – Hello, I am COMPLETELY new in the field of Android's and especially HTC One phones. I have always been an iPhone user and made a switch just few days ago. I heard somewhere that the international version got the update to 4.2.2. already. And since I want it to. How do I get it. How do I know what kind of version of phone do I have? Can I check that somewhere? and another thing. I have been using Google Now on my phone. And the first day it worked great. Showed me cards and worked smoothly. Today, for some reason when I start it... it automatically puts me to the search bar of (HowTos)