IT is reported that Microsoft another PMP known as Microsoft Zune will now be get its update to Firmware 4.5 and there will be lots of change to see like as Smart DJ mix, personalized recommendations, support for Marketplace for TV, and multiple codec support. and much more here are some of the features that you will get after its update.

1. Zune will support  XviD and the AVI container, which brings in great access to the video content available all around the web.
2. Zune will get powered with  Smart DJ Mix feature, which creates an autoplaylist automatically from the chosen songs.
3. Marketplace browsing via Zune Dock.

It easy to update to the latest firmware you just need to  hook up their Zune HD to the Zune PC software, check out Settings, and Update the firmware. and update it. i recommend to Update it because it will add much more features