UpdatingMozillaSoftware

Like most applications, it is important to keep your browser and email clients up-to-date to combat security flaws and gain new functionality. The instructions on this page should help you update Mozilla Firefox and Thunderbird.

You can also find installers and documentation for the latest versions of Firefox and Thunderbird here:

• Firefox: http://www.getfirefox.com
• Thunderbird: http://www.getthunderbird.com

Updating Mozilla Firefox (Windows)

1. To manually check for a Firefox update, click the Help menu on the menu bar, and select Check for Updates....

   
   File:Winfoxstp1.png
   
   
2. If there are updates available, click on the Get the New Version button
   
   File:Winfoxstp3.png
   
   
3. Firefox will prompt you to restart when the downloads have finished:
   
   File:Winfoxstp2.png
   
   
   • You have now successfully updated to the latest version of Firefox

Updating Mozilla Thunderbird (Windows)

1. To manually check for a Thunderbird update, click the Help menu on the menu bar, and select Check for Updates....

   
   File:Winstp1.png
   
   
2. If there are updates available, the following prompt will appear:
   
   File:Windstp2.png
   
   
   • Click on Update Thunderbird
3. After the update has completed, click on Restart Thunderbird
   • Thunderbird will restart and show you a pretty page telling you what the update changed
   • If there is a new version of Thunderbird available, you will have to apply the update after it has finished downloading
4. After the update has completed, click on the help button in the main toolbar, and select Apply Downloaded Update Now
   
   File:Winthunstp1.png
   
   
   • You will then have to restart Thunderbird by clicking on the restart Thunderbird link in the bottom right corner of the prompt:
     
     File:Winthunstp2.png
     
     
   • You have now successfully updated to the latest version of Thunderbird

Updating Mozilla Firefox (Mac OS X)

1. To manually check for a Firefox update, click the Help menu on the menu bar, and select Check for Updates....

2. If updates are available, click Get the New Version to begin the process.
   • If no updates are available, click Done to close the window.
3. When the install process is complete, you must restart Firefox. To close Firefox and re-open it, click Restart Firefox.
   
   File:RestartFirefoxMac.png
   
   

Updating Mozilla Thunderbird (Mac OS X)

1. To manually check for a Thunderbird update, click the Help menu on the menu bar, and select Check for Updates....

   
   File:CheckForThunderbirdUpdatesMac.png
   
   
2. If updates are available, click Get the New Version to begin the process. 

   • If no updates are available, click Done to close the window.
3. When the install process is complete, you must restart Thunderbird. To close Thunderbird and re-open it, click Done.