• Skip to main content
  • Switch language
  • Skip to search

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

Mozilla Support Logo
Avatar for Username
  • Explore Help Articles

    Explore by product

    • Firefox desktop
    • Mozilla VPN
    • Firefox for iOS
    • Thunderbird
    • Firefox for Android
    • View all products

    Explore by topic

    • Settings
    • Installation and updates
    • Email and messaging
    • Performance and connectivity
    • Privacy and security
    • Browse
  • Community Forums

    Browse by product

    • Firefox desktop
    • Firefox Focus
    • Firefox for iOS
    • Thunderbird
    • Firefox for Android
    • View all forums

    Browse all forum threads by topic

    • Settings
    • Installation and updates
    • Email and messaging
    • Performance and connectivity
    • Privacy and security
    • Browse
  • Ask a Question

    Get help with

    • Firefox desktop
    • Firefox for Enterprise
    • Thunderbird
    • Mozilla Account
    • Firefox for Android
    • Firefox for iOS
    • Thunderbird for Android
    • Mozilla VPN
    • Firefox Focus
    • Firefox Relay
    • Monitor
    • View all
  • Contribute
  • Download Firefox
  • Sign In/Up

Search Support

  1. គេហទំព័រ
  2. Community Forums
  3. ផលិតផលទាំងអស់

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

ផលិតផលទាំងអស់ Community Forum

Ask the Community
  • ទាំងអស់
  • Attention needed
  • Responded
  • ធ្វើ​រួច

how to change back a version of 140.9.1esr

how to change back a version of 140.9.1esr it is totally faulty 7 given me heaps of grief

Open
Thunderbird Installation and updates asked 19 hours ago

i wish to delete firefox

wish to delete firefox

Open 1 16
Firefox Installation and updates asked 1 day ago

What is the preferred/easiest way the change Firefox on Ubuntu 24.04 from snap package to deb package and update correctly?

Too many varying solutions posted online. Need current preferred solution that is easy to implement and easy to reverse.

Open 30
Firefox Installation and updates asked 4 days ago
Mozilla
Mozilla
  • Report Trademark Abuse
  • Source code
  • Twitter
  • Join our Community
  • Explore Help Articles
Firefox
  • Download
  • Firefox desktop
  • Android Browser
  • iOS Browser
  • Focus Browser
Firefox for Developers
  • Developer Edition
  • Beta
  • Beta for Android
  • Nightly
  • Nightly for Android
Mozilla Account
  • Sign In/Up
  • What Is It?
  • កំណត់​ពាក្យសម្ងាត់​ឡើងវិញ
  • Sync Your Data
  • Get Help
Language
  • Twitter(@firefox)
  • YouTube (firefoxchannel)
  • Instagram (firefox)

Visit Mozilla Corporation's not-for-profit parent, the Mozilla Foundation.

Portions of this content are ©1998–2026 by individual mozilla.org contributors. Content available under a Creative Commons license.

  • mozilla.org
  • Terms of Service
  • Privacy
  • Cookies
  • Contact