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Windows 7 is a major release of the Windows NT operating system developed by Microsoft. It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009. [ 10] It is the successor to Windows Vista, released nearly three years earlier.
Microsoft Product Activation is a DRM technology used by Microsoft Corporation in several of its computer software programs, most notably its Windows operating system and its Office productivity suite. The procedure enforces compliance with the program's end-user license agreement by transmitting information about both the product key used to ...
Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. Product keys consist of a series of numbers and/or letters.
Windows 10 is a major release of Microsoft 's Windows NT operating system. It is the direct successor to Windows 8.1, which was released nearly two years earlier. It was released to manufacturing on July 15, 2015, and later to retail on July 29, 2015. [20]
Comparison of Microsoft Windows versions. Microsoft Windows is the name of several families of computer software operating systems created by Microsoft. Microsoft first introduced an operating environment named Windows in November 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces (GUIs).
Windows 7: 2009-10-22 Windows Server 2008 R2: Windows Server 2012: 2012-09-04 Windows 8: 2012-10-26 Windows 8.1: 2013-10-17 Windows Server 2012 R2: 2013-10-18 Windows CE: AutoPC: Pocket PC Pocket PC 2000: 2000 Pocket PC 2002: 2002 Windows 10: 2016 Windows 11: 2021 Windows Mobile: Windows 12
As MS-DOS 7.0 was a part of Windows 95, support for it also ended when Windows 95 extended support ended on December 31, 2001. [83] As MS-DOS 7.10 and MS-DOS 8.0 were part of Windows 98 and Windows ME respectively, support ended when Windows 98 and ME extended support ended on July 11, 2006, thus ending support and updates of MS-DOS from Microsoft.
CCleaner ( / ˈsiːˌkliːnər /; originally Crap Cleaner ), [6] developed by Piriform Software, is a utility used to clean potentially unwanted files and invalid Windows Registry entries from a computer. It is one of the longest-established system cleaners, first launched in 2004. [7] It was originally developed for Microsoft Windows only, [8 ...