LINK / CITE ADD TO WORD LIST. adjective. The definition of precious is something of great value or that is greatly loved. 1  An example of precious is priceless jewelry.
However, we can always point to the latest version under a particular category. The Current supported official version, which is the generally distributed and widely available latest version of Firefox, is Firefox 38.0.5. This version had an official release on June 2nd, 2015.
Firefox tells you Checking for updates... while it checks for a newer version. If Firefox finds updates, it will prompt you to install them If a newer version is found, you will see a button prompting you to update to the latest version. When you are ready, you can click this button to trigger the update. The new version will start to download.