A version of Windows 8.1, Windows NT operating system and first unveiled in June 2013 and released as a public beta for Windows8 is an upgrade, theAugust 27, 2013 released to manufacturing, and October 17, 2013, had reached the general availability of its predecessor, almost a year after the retail release.
Windows 8.1 through Windows Store for Windows 8 and Windows RT users is available free of charge for retailcopies. Unlike previous versions of Windows service packs, or pre-loaded fixtures retail copies obtainedfrom 8 users(ie, volume licensing) to their respective memberships or Enterprise 8.1 channelgain new installation media is necessary.
It is part of Windows 8's support lifecycle, and 8.1 to install the service pack on the contrary, however, on January 12, 2016. The access and support is essential formaintaining Windows updates: Microsoft Support Lifecycle Policy similar to the previous service pack for Windows8.1 Windows 8.1Windows treats acquiredthrough Windows Update and only 8.1-specific product keys that can not be accepted.
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