Yep. You only have to download the update if you don't want to wait the up to 8 ...

		bzbarsky on Sept 28, 2011 \| parent \| context \| favorite \| on: Firefox 7 Live: Download Here Yep. You only have to download the update if you don't want to wait the up to 8 hours before your browser pings the update server and discovers there's an update.