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  2. 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.

  3. 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.

  4. Product key - Wikipedia

    en.wikipedia.org/wiki/Product_key

    Windows 95 retail product keys take the form XXX-XXXXXXX. [2] To determine whether the key is valid, Windows 95 performs the following checks: The first 3 characters must not be equal to 333, 444, 555, 666, 777, 888 or 999. The last 7 characters must all be numbers from 0-8. The sum of the last 7 numbers must be divisible by 7 with no remainder.

  5. Serial presence detect - Wikipedia

    en.wikipedia.org/wiki/Serial_presence_detect

    Earlier 72-pin SIMMs included five pins that provided five bits of parallel presence detect (PPD) data, but the 168-pin DIMM standard changed to a serial presence detect to encode more information. [1] When an ordinary modern computer is turned on, it starts by doing a power-on self-test (POST). Since about the mid-1990s, this process includes ...

  6. Product activation - Wikipedia

    en.wikipedia.org/wiki/Product_activation

    Product activation is a license validation procedure required by some proprietary software programs. Product activation prevents unlimited free use of copied or replicated software. Unactivated software refuses to fully function until it determines whether it is authorized to fully function. Activation allows the software to stop blocking its use.

  7. Serial number - Wikipedia

    en.wikipedia.org/wiki/Serial_number

    Serial number of a laptop computer. In smartphones, serial numbers are extended to the integrated components in addition to the electronic device as a whole, also known as serialization. This gives unique individual parts such as the screen, battery, chip and camera a separate serial number. This is queried by the software for proper release ...

  8. AOL Mail Help - AOL Help

    help.aol.com/products/new-aol-mail

    If you have a WhatsApp account associated with the phone number you've added to your AOL account, you may see it as an option to receive an account verification code. Find out how to use WhatsApp to verify a new AOL account, how to reinstall WhatsApp if you have uninstalled it, and where to go for WhatsApp technical support. Mail · Dec 13, 2024

  9. Windows 10 editions - Wikipedia

    en.wikipedia.org/wiki/Windows_10_editions

    At the time of launch, Microsoft deemed Windows 7 (with Service Pack 1) and Windows 8.1 users eligible to upgrade to Windows 10 free of charge, so long as the upgrade took place within one year of Windows 10's initial release date. Windows RT and the respective Enterprise editions of Windows 7, 8, and 8.1 were excluded from this offer.