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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.
Microsoft does not provide refunds for Windows licenses sold through an OEM, including licenses that come with the purchase of a computer or are pre-installed on a computer. [28] A Microsoft Denmark representative stated that Microsoft's Windows license terms allow OEMs to offer a refund for just the Windows license. [29]
The procedure enforces compliance with the program's end-user license agreement by transmitting information about both the product key used to install the program and the user's computer hardware to Microsoft, inhibiting or completely preventing the use of the program until the validity of its license is confirmed. [1]
At the 2007 Consumer Electronics Show, Dell defended this practice, stating that it keeps costs down, and implying that systems might cost significantly more to the end user if these programs were not factory-installed. [1] Some system vendors and retailers will offer, for an additional charge, to remove unwanted factory-installed software from ...
The application obtains the license limits that apply to that user's license, such as a time limit or enabling of product features, from the vendor's system and optionally also locks the license to the user's system. Once activated the license continues working on the user's machine with no further communication required with the vendor's systems.
Most copies of Windows 7 only contained one license; in certain markets, a "Family Pack" version of Windows 7 Home Premium was also released for a limited time, which allowed upgrades on up to three computers. [104] In certain regions, copies of Windows 7 were only sold in, and could only be activated in a designated region. [105]
• Within your address book, type in your contact using the Quick Find search bar. There may be times your contact is not displayed in the same order as before. • If the issue still exists, proceed to the next step. Compose/Write email window • Open a new email by clicking the Write button on the toolbar.
In the devices sold by these OEMs, Windows license data is stored in the computer's BIOS in an area referred to as the "ACPI_SLIC", so that KMS can detect the use of previous Microsoft products even with the storage device removed or erased. [6] For Windows Vista and Windows 7, the SLIC data are complementary; a volume licensing product key is ...