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  2. Product key - Wikipedia

    en.wikipedia.org/wiki/Product_key

    The 25 characters of the Product Key form a base-24 encoding of the binary representation of the 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 ...

  3. WHQL Testing - Wikipedia

    en.wikipedia.org/wiki/WHQL_Testing

    These drivers would not qualify for the "Certified for Windows" logos, but they would install on Windows without a warning. [ 2 ] [ 3 ] However, in some cases, such as drivers created after the termination of WHQL testing for a version of the operating system, the Windows operating system may refuse to start the driver and will require enabling ...

  4. Windows 7 editions - Wikipedia

    en.wikipedia.org/wiki/Windows_7_editions

    Windows 7 Ultimate is the edition of Windows 7 that contains the most features. It includes all the features of Windows 7 Home Premium and Professional while also adding some additional enterprise-oriented features that were available on the SA-exclusive Windows 7 Enterprise, making it feature-complete with the latter; this edition was also ...

  5. 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 ...

  6. System Locked Pre-installation - Wikipedia

    en.wikipedia.org/wiki/System_Locked_Pre-installation

    System Locked Pre-installation (SLP), also referred to as OEM Activation, is a product activation procedure for Microsoft Windows used by major OEMs of laptops and pre-built PCs wherein a Windows product key is added and locked to the machine's firmware before mass distribution. SLP product keys cannot be moved to other machines.

  7. Device driver - Wikipedia

    en.wikipedia.org/wiki/Device_driver

    Makedev includes a list of the devices in Linux, including ttyS (terminal), lp (parallel port), hd (disk), loop, and sound (these include mixer, sequencer, dsp, and audio). [4] Microsoft Windows.sys files and Linux.ko files can contain loadable device drivers. The advantage of loadable device drivers is that they can be loaded only when ...

  8. Windows Driver Kit - Wikipedia

    en.wikipedia.org/wiki/Windows_Driver_Kit

    Previously, the WDK was known as the Driver Development Kit (DDK) [4] and supported Windows Driver Model (WDM) development. It got its current name when Microsoft released Windows Vista and added the following previously separated tools to the kit: Installable File System Kit (IFS Kit), Driver Test Manager (DTM), though DTM was later renamed and removed from WDK again.

  9. Windows Driver Model - Wikipedia

    en.wikipedia.org/wiki/Windows_Driver_Model

    Windows driver API basics - This article informs you about the basics behind sound card drivers such as WDM, ASIO, MME, DirectX, etc. Channel 9 Video - Interview with the Device Management and Installation team at Microsoft, primarily covering Plug-and-play. Lecture Notes on Windows Kernel Programming at the Wayback Machine (archived March 3 ...