Mac OS X Lion

Firefox theme that mimics the appearance of Mac OS X Lion/Mountain Lion/Mavericks.
Mac OS X Lion is available to install from Firefox Browser Add-ons and for download from this page. It has 1 daily users The latest version is 8.0, and it was published 3 years ago.
View source code
Install from Firefox Browser Add-ons
Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of Mac OS X Lion here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
Version Download Size Download count Timestamp
8.0 XPI · ZIP · Source code 27.34K 0 2022-01-21

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the Mac OS X Lion ZIP file from step 1. Mac OS X Lion is now installed on your browser.

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