1. You must download THIS EXTENSION FROM THE CHROME APP STORE

2. Establish a desktop sharing conference in a normal way by looking up people from the front-page search field

3. To use the app again, write this URL in your browser; Chrome://extensions and click on the 'Details' link for the 'Loopmeet Desktop sharing' extension - and select 'Create Shortcuts...' or 'View in store' or simply click on the link provided under step 1. above again instead