Mozilla last upgraded Firefox four weeks ago, on Sept. Choose 'About Firefox.' (On macOS, 'About Firefox' can be found under the 'Firefox' menu.) The resulting page or pop-up shows that the browser is already up to date or displays the upgrade process. To manually update on Windows, pull up the menu under the three horizontal bars at the upper right, then click the help icon (the question mark within a circle). Because Firefox updates in the background, most users need only launch (or relaunch) the browser to install the latest version.

The majority of those vulnerabilities were in the 'memory safety bugs' bucket, a category that covers a wide swath of memory corruption and memory leak flaws.įirefox 93 can be downloaded for Windows, macOS, and Linux from Mozilla's site.

The organization's security engineers also patched seven vulnerabilities, four marked 'High,' Firefox's second-most-serious label. Mozilla this week updated Firefox to version 93, which now blocks downloads over insecure connections, improves the browser's anti-tracking prowess and introduces Firefox Suggest, the newest way the company will try to earn revenue.

Revert to firefox 56