Changes

# Create a directory '''outside''' of the application's installation directory to be updated (e.g. C:\app-update\). This directory will be referred to as the '''outside''' directory throughout the instructions below so please make a note of its location. Grant the user account you are using Full Control permissions on this directory if it doesn't have these permission already.

# Copy <code>updater.exe</code> from the application's installation directory that is to be upgraded into the '''outside''' directory. If you would like to display the updater user interface while it is applying the update also copy the <code>updater.ini</code> into the '''outside''' directory.

# Rename the mar file you downloaded to update.mar.

# Open a command prompt by running cmd.exe. On Windows Vista or greater you may need to launch cmd.exe with "Run as administrator" (available in the context menu when right clicking cmd.exe).

# Create a directory '''outside''' of the Firefox installation directory to be updated (e.g. /firefox-update/). This directory will be referred to as the '''outside''' directory throughout the instructions below so please make a note of its location. Grant the user account you are using write, read, and execute permissions on this directory if it doesn't have these permission already.

# Copy <code>updater.app</code> from inside the Firefox package that is to be upgraded into the '''outside''' directory. For Firefox 3.5 and above if you would like to display the updater user interface while it is applying the update also copy the <code>updater.ini</code> into the '''outside''' directory. The <code>updater.app</code> package and <code>updater.ini</code> file are located in Firefox.app/Contents/MacOS/.

# Rename the mar file you downloaded to update.mar.

# Open a Terminal and change the working directory to the Firefox package directory by using the cd command (e.g. <code>cd /Applications/Firefox.app/</code>). '''Important:''' running the update from within another directory will fail to update the existing installation properly.

# Create a directory '''outside''' of the Firefox installation directory to be updated (e.g. /firefox-update/). This directory will be referred to as the '''outside''' directory throughout the instructions below so please make a note of its location. Grant the user account you are using write, read, and execute permissions on this directory if it doesn't have these permission already.

# Copy <code>updater</code> from the Firefox installation directory that is to be upgraded into the '''outside''' directory. If you would like to display the updater user interface while it is applying the update also copy the <code>updater.ini</code> into the '''outside''' directory.

# Rename the mar file you downloaded to update.mar.

# Open a shell and change the working directory to the Firefox installation directory by using the cd command. '''Important:''' running the update from within another directory will fail to update the existing installation properly.