How to install Firefox on Windows

This article describes how to download and install Firefox on Windows.

• If you are upgrading from a previous version of Firefox, see Update Firefox to the latest release.

1. Visit this Firefox download page in any browser, such as Microsoft Internet Explorer.
   
   
2. Click on the Free Download button to download the Firefox installer. The page will automatically recommend the best version of Firefox for you.
   Alternatively, use this download link for the latest English (U.S.) Firefox version.
   For advanced users: The download page automatically chooses the best available version of Firefox for your computer. If you want to have a choice of the language and operating system for your Firefox installation, please visit this download link instead. This page also includes all available and stable 64-bit versions of Firefox for supported operating systems.
   • If you use Microsoft Internet Explorer, a notification bar will appear at the bottom of the page with the options to run the installer or save the file to your computer. Click Run to start the process.

   
   

   • In other browsers, you may need to first save the Firefox installer to your computer, then open the file you downloaded.
     Note: If you see an Open File - Security Warning dialog, click Run.

   

3. Then, just click Install (we’ve made the process as effortless as possible).

   

   Congratulations, you are done installing Firefox!

4. Double-click on the Firefox icon whenever you want to go online.

Having problems?

Here are some articles that can help you:

• Firefox won't start - find solutions
• "Firefox is already running but is not responding" error - How to fix