Firefox isn’t the go-to alternative browser that it used to be, but it’s still a favorite among power users and open source advocates. Here’s a brief guide on how to find out what version of Firefox you’re using…and what the different versions actually mean.
Finding the Version Number
In the latest versions of Firefox on Windows or Linux, click the “hamburger” menu in the upper-right corner (the one with three horizontal lines).
In the bottom of the drop-down menu, click the “i” button. Then click “About Firefox.”
The small window that appears will show you Firefox’s release and version number. Click “What’s new” for a look at the release notes.
On a Mac, the process is a little different. Just click “Firefox” in the menu bar, then “About Firefox.”
Release Versions: How Stable Are You?
Firefox comes in four primary versions: the standard release, the beta version, the developer edition, and nightly builds. Here’s what that means.
This is the current release of Firefox, the one that the vast majority of users have installed. All the features have been thoroughly tested and are ready for use by the general public. Users of the stable release don’t get access to the newest tweaks and features, but it’s the one you want if you don’t like surprises in a crucial tool on your computer.
The beta release is one “version” ahead of the stable release—at the time of writing, the stable build of Firefox is on version 53, but the beta is on version 54. This version is for those who want access to the new features a little faster. Features that make it…