How To Enable Google Toolbar for Firefox 13 and above

For Windows Vista users:

1. You should have Google Toolbar for Firefox version 7.1.20110512W installed. You can still find it on the internet, download and install it.
   to check for the toolbar version installed,
   
   1. Type about:addons in Firefox's address to bring up the addons page
   2. Select the Extensions  tab from the left menu
   3. You should see there the Google toolbar version
2. Use your text editor (Notepad) to edit this file C:\Users\[your username]\AppData\Roaming\Mozilla\Firefox\Profiles\Default Profile\{3112ca9c-de6d-4884-a869-9855de68056c}\install.rdf . Replace in this path the [your username] part with your actual Windows username. Mine is Alex.
3. Change line 17 of this file from:
   <em:maxVersion>4.0.*</em:maxVersion>
   To this: 
   <em:maxVersion>24.*</em:maxVersion>
4. Save and close this file.
5. Restart Firefox, and you should find the Google Toolbar back among your Firefox toolbars.