Firstly you have to sign up in google analytics and after signing up fill details regarding your website, a tracking code is provided which you have to insert in your head file of the html code. Then your website will be connected to analytic tool. After that go to webmaster and sign in. Put you website and here you have to register by various methods, simple one is by giving the analytics code. Hence you are verified and you can track down your website traffic and other details.