Go to Organization Settings. To navigate to this page from your dashboard, click on the "Select a Property" drop down menu and click on the organization name.
Now in your Organization Settings page, click on "Create a Property".
Add the Name, Domain, and estimated RPM. The RPM should be the Page RPM. For more information on Page RPM, see this article.
Your new property is now listed within your Properties module. Click on the new property to go to the property's dashboard.
Your new property's dashboard will begin to record analytics once your property's tag is installed on your website. To install, click "Install" and copy the tag code on the Install page. To learn how to install, click here.