You say the “New” Firefox. What is new about it? I just had installed on my laptop about a month ago but do not know if it is the NEW version.
The newest version of Firefox is Firefox 29.0.1 No matter which version of FireFox you have on your computer, you should be prompted to upgrade to the latest version when upgrades are available. Go to the Firefox drop-down menu, then select Help followed by About Firefox. If you have an earlier version of Firefox, it will look like this.
If you have Firefox 29, like this:
After you choose About Firefox, you’ll see which version you are running. If you don’t have the latest, you’ll be prompted to upgrade.