How to install a theme download in Firefox 4 - Windows XPproSP3

I downloaded a theme (4.0.5 - utopia_ffse_white - fx.jar) on my desktop and have been unable to find out how to install it.
Never had any problems over the years with other versions of Firefox themes and what it the latest version version FF4.
I checked the Mozilla (Programs folder) and found no record that contains all the files (.jar) and would appreciate any help available.
Thank you.
Doug

Easier to install themes is directly on the site.

Open the theme Manager (Firefox/tools > Modules > appearance), and then drag the theme_name.jar file in the left pane of the window manager themes.

You must restart Firefox twice for a theme:

  1. After the download to install the theme if see you in the Add-ons Manager.
  2. To use the theme by selecting it from the theme Manager.

Tags: Firefox

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