Windows 8 - Wikipedia
Windows 8.1 gets an official release date
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What is Windows 8?
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Windows 8.1 release date confirmed for Oct. 18
Windows 8 Release date
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Windows 8 Release Date & Features
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From Windows 1 to Windows 10: 29 years of Windows evolution | Microsoft | The Guardian
Windows 8.1: Preise, Systemvoraussetzungen und Download des Updates - PC Magazin
Ready your hard drives — Windows 8.1 gets an official release date | BetaNews
Windows 8.1 release date arrives and is available to download now | IT PRO
Microsoft announces Windows 8.1 Release Date
