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  2. Microsoft Product Activation - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Product_Activation

    In this case, the copy of Windows installed does not use the product key listed on the certificate of authenticity, but rather a master product key issued to OEMs called a System Locked Pre-installation (SLP) key. On each boot, Windows confirms the presence of specific information stored in the BIOS by the manufacturer, ensuring the activation ...

  3. Windows 8.1 - Wikipedia

    en.wikipedia.org/wiki/Windows_8.1

    Windows 8.1 is a release of the Windows NT operating system developed by Microsoft.It was released to manufacturing on August 27, 2013, and broadly released for retail sale on October 17, 2013, about a year after the retail release of its predecessor, and succeeded by Windows 10 on July 29, 2015.

  4. Product key - Wikipedia

    en.wikipedia.org/wiki/Product_key

    The Product Key is a multi-precision integer of roughly 115 bits, which is stored in little endian byte order in an array of 15 bytes. Of these 15 bytes the least significant four bytes contain the Raw Product Key in little endian byte order. The least significant bit is removed by shifting this 32-bit value to the left by one bit position.

  5. Windows 8 editions - Wikipedia

    en.wikipedia.org/wiki/Windows_8_editions

    Windows 8 (also sometimes referred to as Windows 8 (Core) to distinguish from the OS itself) [2] is the basic edition of Windows for the IA-32 and x64 architectures. This edition contains features aimed at the home market segment and provides all of the basic new Windows 8 features.

  6. WoW64 - Wikipedia

    en.wikipedia.org/wiki/WoW64

    The WoW64 subsystem also handles other key aspects of running 32-bit applications. It is involved in managing the interaction of 32-bit applications with the Windows components such as the Registry, which has distinct keys for 64-bit and 32-bit applications. For example, HKEY_LOCAL_MACHINE\Software\Wow6432Node is the 32-bit equivalent of HKEY ...

  7. Microsoft Windows - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Windows

    Windows is a product line of proprietary graphical operating systems developed and marketed by Microsoft.It is grouped into families and subfamilies that cater to particular sectors of the computing industry – Windows (unqualified) for a consumer or corporate workstation, Windows Server for a server and Windows IoT for an embedded system.

  8. Windows Registry - Wikipedia

    en.wikipedia.org/wiki/Windows_Registry

    The terminology is somewhat misleading, as each registry key is similar to an associative array, where standard terminology would refer to the name part of each registry value as a "key". The terms are a holdout from the 16-bit registry in Windows 3, in which registry keys could not contain arbitrary name/data pairs, but rather contained only ...

  9. Windows NT - Wikipedia

    en.wikipedia.org/wiki/Windows_NT

    Windows NT 3.1 was the first version of Windows to use 32-bit flat virtual memory addressing on 32-bit processors. Its companion product, Windows 3.1, used segmented addressing and switches from 16-bit to 32-bit addressing in pages.