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Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Installation and updates

Install

Learn about how to install Mozilla’s products on your devices.

In English

How to install Firefox on Windows

How to download and install Firefox on Mac

Switch from Chrome to Firefox

Troubleshoot Firefox updates and the Helper tool

Why do I get a harmful download message when downloading Firefox on Windows?

Run Firefox on ChromeOS

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