Installing Firefox(after you've downloaded it) should leave a Firefox desktop icon which you double click to open the browser. This is a good place to start - http://support.mozilla.com/en-US/kb/getting-started-firefox As you get going, try left and right clicking everything in sight just to learn what's there. And spend a bit of time on this page - http://support.mozilla.com/en-US/home The mechanics and techniques are not so very different to Internet Explorer. Customization is a strength of Firefox.