You have a couple of different ways to Archive projects:
From the Projects Dashboard (Actions button)
From the Project Settings page
From the Projects Dashboard
On the Project Dashboard, you can click the Actions buttons on the Project Card and from the Projects Table to Achive the Project. Once you click the Archive option you'll be redirected to the Property Overview Settings page to Archive the Project.
From the Project Overview Page
Open the project and click the Actions button in the upper right corner of the page header, and select Archive.
