The easiest way to locate the Site Mover, is from the Help center.
1. To start, log into your account, and click the Help button at the top right hand corner of the page.
2. click View Help
3. In the search box type "copy a website" and press enter.
4. The first topic to appear will say " Move or copy a website". When you click this link, you see more detailed instructions, which lead you through the process.
Important: You commented that you are moving pages from one website into another. You will want to make sure the page names are not duplicates. If you have duplicate page names in the two sites, the site mover will rename your pages.