CES 2010 - Windows Mobile on the HTC HD2
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At CES 2010, Microsoft's Greg Sullivan talks us through the new features Windows Mobile brings to the HTC HD2
So, even if your PC is locked or sleeping, you could use it as a smart speaker type device.
Internet games services will end on 31st July for XP and ME, and on 22nd Jan 2020 for Windows 7.
However, this 775MB download is actually a game or entertainment app rather than an OS.