Suppose you come across a new product or a gadget, say a Mobile phone or a camera which was launched only in local Japanese market and not yet available internationally and all is details are given in Japanese. So you'll take help of Windows Live Translator. Now it has become more simple to get this translation.
Windows Live Toolbar Translator Button is available now at Windows Live Gallery. Install it and one click on the Translator button shows you the web page you are currently looking at along with its translation into up to 12 languages. You can use the button menu to select and change your translation languages after which it will remember your most recent selection.
Goto the above given link and it'll install a button on your WL Toolbar.
Requirement : Windows Live Toolbar 3.x (get it here)
(source:MSR-MT team blog)