Mozilla has relaeased Firefox36 to get use the builtin updater click on help>about firefox>check for updates. NOTE if you are using NIS Norton 360 v 20 the toolbar has NOT been updated. Change log go here https://www.mozilla.org/en-US/firefox/36.0/releasenotes/ To get the full local download (39MB) go here select your language https://www.mozilla.org/en-US/firefox/all/