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Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

Learn the Basics: get started

Tab basics

In English

Unload tabs to reduce system memory usage in Firefox

Tab context menu

How to use AI-enhanced tab groups

Use tabs to organize lots of websites in a single window

Unload inactive tabs to save system memory in Firefox

Firefox View - Access pages from open tabs, recently closed tabs, tabs from other devices and browsing history

Pinned Tabs - keep favorite websites open and just a click away

Tab groups in Firefox

Tab overview menu

Tab preferences and settings

Mute sound in Firefox tabs

How to configure Close Tab warnings in Firefox

How it Works - Respectful Ads @ Mozilla

Use widgets on your Firefox New Tab page

Use web apps in Firefox for Windows

Home page with pipe character opens extra tabs when Firefox starts

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