This will affect the legacy Windows Media Player, Silverlight clients, Windows 7 and Windows 8. Microsoft does not specifically mention Windows 8.1 in this list so users still running the OS ...
tom's Hardware on MSN4mon
Windows Media Player and Silverlight are losing legacy DRM services on Windows 7 and 8Legacy DRM services utilized by Windows Media Player and Silverlight clients for Windows 7 and Windows 8 are now deprecated.
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