Windows 8.1 update is needed by Windows 8 users when the support ends on January 12, 2016; to extend its reception of service support from Microsoft.
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Support Extensions:
- January 9, 2018 - end of support for mainstream users;
- January 10, 2023 - end of extended support;
Upcoming Version : Windows 10 will be released late of 2015.
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REFERENCE:
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