You’ll also see a “Firefox is up to date” message if it has the latest version installed. If you aren’t sure, make sure you’re connected to the internet and click the Check for updates button. Here, you can also view all the updates you have installed by clicking the Show Update History button. If your Firefox app is new, it won’t show anything.How to update Firefox on Windows?
On Windows, click “Options”; On a Mac, click “Preferences.”. When the Options (Windows) or Preferences (Mac) tab opens, scroll down to the “Firefox Updates” section. Make sure the radio button next to the “Automatically Install Updates” option is selected. In this menu, you can also click “Check for Updates” to manually check.