How to Check Firefox Version?

Use BrowserStack Live to test your website on different Firefox versions and ensure seamless cross-browser performance.

Written by Siddhi Rao Siddhi Rao
Reviewed by Sourabh G Sourabh G
Last updated: 13 May 2025 5 min read

How to Check Firefox Version?

Updating your browser is essential for security, performance, and compatibility with modern websites. Knowing your Mozilla Firefox version can help troubleshoot issues or ensure you have the latest features.

This article will guide you through how to check the Firefox version on different devices, including Windows, Mac, Android, and iOS.

How to Check Firefox Version on Windows and Mac

Below are two methods using which you can check the Firefox Version on Windows and Mac:

Method 1: Using the About Firefox Window

Here are the steps to check Firefox Version using About Firefox window:

  • Open Firefox on your computer.
  • Click the menu button in the top right corner.

Click the menu button

  • Select Help from the dropdown menu.

Select Help from the dropdown menu

  • Click About Firefox.
  • A new window will appear, displaying the Firefox version number.

About Firefox window

Firefox will automatically start updating from this window if a new update is available.

Method 2: Using the Address Bar

Here are the steps to check Firefox Version using the Address Bar:

  • Open Firefox.
  • Type about:firefox or about:support in the address bar.
  • The version number will be displayed under the Application Basics section.

Version Number of Firefox under Application Basics

How to Check Firefox Version on Android and iOS

Here are the steps to check Firefox version on Android or iOS device:

  • Open Firefox app on your mobile.
  • Tap the three-dot menu in the bottom-right or top-right corner.

Tap Three Dot Menu to open Settings

  • Go to Settings > About Firefox.
  • The version number will be displayed at the top.

Version Number of Firefox on Mobile Device

Talk to an Expert

Useful Resources for Firefox

BrowserStack Live Banner

Conclusion

As a developer or tester, ensuring your website works across different Firefox versions is crucial.

With BrowserStack Live, you can test your site on real browsers and devices on their real device cloud under real user conditions without downloading multiple Firefox versions.

Tags
Manual Testing Real Device Cloud Website Testing
Siddhi Rao
Siddhi Rao

Lead Customer Engineer

Siddhi Rao is a Lead Customer Engineer with 14+ years of experience in software testing, test automation, and quality engineering. She writes about automation testing, testing strategy, and practical QA workflows that help teams build reliable software and reduce release risk.

Browser Testing on 3500+ Real Devices
Test website under real-world conditions for accurate test results