It might be a little tricky to add a new your website to your account. See below an example adding a new property www.maleraffine.com to a Google Analyticsaccount.
There, on the drop down list with your websites, there is a Create new account button – press it
Create new account button in admin tab
Enter the details of your website : Account name, Website name, Website URL, Industry Category, Reporting Time Zone, and select the options you’d like to use.
Enter website details
Scroll down and click Get Tracking ID
Get Tracking ID button
You’ll then be shown the Google Analytics terms & conditions – read them carefully.