Old Versions Software Download For Mac



For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS. If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan. Non-profit organization serving the online community by providing old versions of various programs.

Warning: Firefox now includes downgrade protection to prevent corruption of user profile data. If you install an older version, you'll be prompted to create a new Firefox profile.

If there is a problem with a new version of Firefox, some people may want to downgrade Firefox to a previous version but we do not recommend this. The latest Firefox version includes security updates so downgrading to an older version leaves you more vulnerable to attacks and usually doesn't fix the problem. This article gives you some alternatives to downgrading and links to older versions of Firefox, if you do choose to downgrade.

Table of Contents

Problems with an update are usually not caused by the new version of Firefox, but rather the update process. In most cases, installing a previous version will not help. Instead, see:

Note: Other problems can be solved with the Refresh Firefox feature. It restores Firefox to its default state while saving your essential information.

Ensure all security and security-related software is fully updated. Some security software will need to be upgraded to a new version so that it is compatible with each Firefox version update.

Optional software bundled with security software also may need updating. Such software may not be essential for your security but, if outdated, may interfere with the use of Firefox or cause Firefox to crash.

If you still want to downgrade, you can visit Mozilla's directory of older Firefox versions using the links below. Please note, however, that using older versions can make Firefox insecure and more vulnerable to attacks and scams. We recommend that you always use the newest version of Firefox.
Warning: Old Firefox versions pose a significant security risk.
  • Firefox 67.0.432-bit (US English)
  • Firefox 67.0.464-bit (US English)
  • Firefox 67.0.432-bit (US English)
  • Firefox 67.0.464-bit (US English)
  • Firefox 68.0.232-bit (US English)
  • Firefox 68.0.264-bit (US English)
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  • Firefox 68.0.264-bit (US English)
  • Firefox 69.0.332-bit (US English)
  • Firefox 69.0.364-bit (US English)
  • Firefox 69.0.332-bit (US English)
  • Firefox 69.0.364-bit (US English)
  • Firefox 70.0.132-bit (US English)
  • Firefox 70.0.164-bit (US English)
  • Firefox 70.0.132-bit (US English)
  • Firefox 70.0.164-bit (US English)
  • Firefox 71.032-bit (US English)
  • Firefox 71.064-bit (US English)
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  • Firefox 72.0.232-bit (US English)
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  • Firefox 73.0.132-bit (US English)
  • Firefox 73.0.164-bit (US English)
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  • Firefox 75.032-bit (US English)
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  • Firefox 75.032-bit (US English)
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  • Firefox 76.0.132-bit (US English)
  • Firefox 76.0.164-bit (US English)
Old Versions Software Download For Mac
  • Firefox 76.0.132-bit (US English)
  • Firefox 76.0.164-bit (US English)
  • Firefox 77.0.132-bit (US English)
  • Firefox 77.0.164-bit (US English)
  • Firefox 77.0.132-bit (US English)
  • Firefox 77.0.164-bit (US English)
  • Firefox 78.0.232-bit (US English)
  • Firefox 78.0.264-bit (US English)
  • Firefox 78.0.232-bit (US English)
  • Firefox 78.0.264-bit (US English)
  • Firefox 79.032-bit (US English)
  • Firefox 79.064-bit (US English)
  • Firefox 79.032-bit (US English)
  • Firefox 79.064-bit (US English)

Mac Software Download For Pc

  • Firefox 80.0.132-bit (US English)
  • Firefox 80.0.164-bit (US English)
  • Firefox 80.0.132-bit (US English)
  • Firefox 80.0.164-bit (US English)
  • Firefox 81.0.232-bit (US English)
  • Firefox 81.0.264-bit (US English)
  • Firefox 81.0.232-bit (US English)
  • Firefox 81.0.264-bit (US English)
  • Firefox 82.0.332-bit (US English)
  • Firefox 82.0.364-bit (US English)
  • Firefox 82.0.332-bit (US English)
  • Firefox 82.0.364-bit (US English)
  • Firefox 83.032-bit (US English)
  • Firefox 83.064-bit (US English)
  • Firefox 83.032-bit (US English)
  • Firefox 83.064-bit (US English)

Old Versions Software Download For Mac Windows 7

  • Firefox 84.0.232-bit (US English)
  • Firefox 84.0.264-bit (US English)

Old Versions Software Download For Mac Os

  • Firefox 84.0.232-bit (US English)
  • Firefox 84.0.264-bit (US English)

How To Download Mac Os

Important: By default, Firefox is set for automatic updates. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: Click the menu button and select .. In the General panel, go to the Firefox Updates section.

Instead of downgrading to an older, insecure version of Firefox and changing your update settings, you should consider these alternatives:

Install Firefox Extended Support Release.Firefox Extended Support Release (ESR) is an official version of Firefox developed for large organizations such as universities and businesses. Firefox ESR does not come with the latest features, but it does have the latest security and stability fixes. For more information, see the article Switch to Firefox Extended Support Release (ESR) for personal use.

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Use the latest version of another browser. If you are not satisfied with the current Firefox version or it simply is not working right now, there are alternative browsers that you can use to browse the web.