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  2. Microsoft Product Activation - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Product_Activation

    In Windows 7 and later, significant hardware changes (e.g. motherboard) may require a re-activation. In Windows 10 and 11, a user can run the Activation Troubleshooter if the user has changed hardware on their device recently. If the hardware has changed again after activation, they must wait 30 days before running the troubleshooter again.

  3. Product key - Wikipedia

    en.wikipedia.org/wiki/Product_key

    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.

  4. Product activation - Wikipedia

    en.wikipedia.org/wiki/Product_activation

    An early example of product activation was in the MS-DOS program D'Bridge Email System written by Chris Irwin, a commercial network system for BBS users and Fidonet. The program generated a unique serial number which then called the author's BBS via a dialup modem connection. Upon connection, the serial number was validated.

  5. 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.

  6. Windows Activation Services - Wikipedia

    en.wikipedia.org/wiki/Windows_Activation_Services

    Windows Process Activation Service (also known as WAS) is the process activation mechanism introduced within Internet Information Services v7.0. Windows Activation Service builds on the existing Internet Information Services v6.0 but is more powerful because it provides support for other protocols besides HTTP , such as TCP and Named Pipes .

  7. Windows 10 - Wikipedia

    en.wikipedia.org/wiki/Windows_10

    Shortly after the suit was reported on by the Seattle Times, Microsoft confirmed it was updating the GWX software once again to add more explicit options for opting out of a free Windows 10 upgrade; [364] [365] [362] the final notification was a full-screen pop-up window notifying users of the impending end of the free upgrade offer, and ...

  8. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  9. Gun serial number - Wikipedia

    en.wikipedia.org/wiki/Gun_serial_number

    The serial number of this pistol is located under the dust cover on the frame, on the barrel, and on the slide. The bolt of an Arisaka military rifle, which carries identifiers matching the main serial number which is on the receiver. A gun serial number is a unique identifier assigned to a singular firearm. [A]