To download Firefox, do the following. 1. Go to www.getfirefox.com 2. Click the Download Now button (big green one) 3. you should see either a "Run" or "Save" button. Click them. 4. After the file has finished downloading, if you clicked "Run" it will automatically start installing, or if you clicked Saved, find where you saved the file and double-click it.

Installing Firefox

You shouldn't use run, but always first save the Firefox installer to the desktop and start the installation with a double-click on the desktop icon.