安装与更新 Firefox 帮助
Answer questions and improve our knowledge base. Grow and share your expertise with others. REDIRECT How to install Firefox on Windows Windows 10 reached EOS (end of support) on October 14, 2025.
Version History
This article describes how to download and install Firefox on Windows. This article describes how to download and install Firefox on Linux. Firefox automatically updates itself by default, but you can always do a manual update. Learn how to install your favorite Mozilla products and keep them updated. The developer has not yet indicated which accessibility features this app supports.
What to do if you spot fake notices claiming to contain an “urgent” or “critical” Firefox update. The custom setup option in the Firefox full, offline installer lets you choose the program folder location and shortcuts. Learn how to find out what Firefox version you are using, to help troubleshoot a problem or just to know if Firefox is up to date. Firefox is safe to install, so choose “install anyway”. Windows 10 may interrupt your Firefox install with a “Microsoft-verified apps” warning. Learn how to update Firefox on Windows, Mac, or Linux.
Aviso sobre recursos de segurança do Firefox no Linux
On Windows, you can set Firefox to update in the background even when it isn’t running, so you always have the latest version. Firefox version 115 ESR will be the last supported release for macOS 10.12, 10.13 and 10.14 No further security updates will be provided for those systems. This article explains how to download and install Firefox on macOS. Firefox version 115 ESR will be the last supported release for Windows 7, 8 and 8.1.
Stuck with the “Can not create temp folder archive” error on 7-Zip when installing Firefox for Windows 10? Firefox desktop should be installed on systems meeting minimum requirements for best performance. Fix the “installation incomplete/corrupt” error in Firefox on Windows by addressing common causes like corrupted files or hardware issues.
- Learn how to update Firefox on Windows, Mac, or Linux.
- You cannot install Firefox from Mozilla or from the Microsoft Store on Windows in S mode.
- Firefox 78 was the last supported version for Mac OS X 10.9, 10.10 and 10.11.
- Firefox is safe to install, so choose “install anyway”.
- Learn how to find out what Firefox version you are using, to help troubleshoot a problem or just to know if Firefox is up to date.
- Windows 10 reached EOS (end of support) on October 14, 2025.
A root certificate that expired March 14, 2025 can cause issues with add-ons, DRM media and essential features, unless you update Firefox. You cannot install Firefox from Mozilla or from the Microsoft Store on Windows in S mode. This article links to older versions and provides some alternatives. Downgrading to a previous Firefox version doesn’t solve 1xbet ios most problems. Learn what to do if you get a “Firefox is trying to install a new helper tool” message while updating Firefox on macOS. This page explains how to install Firefox on Chromebooks and other devices running ChromeOS.
You may see a warning that the installer could harm your device when attempting to download Firefox from another browser. Learn about update notifications on Windows that let you know when a brand-new Firefox version is available, even if Firefox is closed. Firefox 78 was the last supported version for Mac OS X 10.9, 10.10 and 10.11.
