- Open a new Firefox window.
- Navigate to the pages you want to set as your home pages, each in a separate tab.
- Open the menu.
- Go to Options.
- In the General options, find the Startup heading.
- Set When Firefox starts to Show my home page.
- Click Use Current Pages.
- Notice that the home page URLs are separated by a vertical bar (|). You can add more home pages; just be sure to separate them with a vertical bar.