Click "Allow" if you see a yellow bar across the page that says "Firefox prevented this site (cotoe.net) from asking you to install software on your computer".

Click "Install Now".

Restart Firefox to complete the installation process by pressing the "Restart Firefox" button in the Add-ons dialog box.

If everything goes well, "Cotoe" should be among your installed add-ons in the Add-ons dialog box.

Your browser should also have a shiny new toolbar and menu items like those below.
