Your download should start automatically. If it doesn't, click here to restart it.
To use the app, you must register for an account.
To install the CopyCopy app for Firefox, follow the link to the download page. You will see a green puzzle-piece icon in the top left-hand corner of the address bar and a corresponding popup stating that Firefox has not yet installed the extension. Click the allow button (or if it is not visible click the puzzle-piece icon to reveal it), then once the extension has downloaded, click the 'Install Now' button to complete the installation.