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In some cases, the product key is checked against a list of known illegally distributed keys. [27] Certain retail copies of Windows and Office sold in certain countries classified as emerging markets have geographical activation restrictions, which only allow the user to activate the product within the indicated region. [28]
If the product key used for activation is lost, then product key finders, readily available on the Internet, can decrypt the key from a local installation, however only SLP keys allow the user to avoid activation upon re-installation. [3] In the SLP 2.x implementations, BIOS report the ACPI SLIC table to the operating system.
A product key is required to proceed and use Windows 95. In one form, product activation refers to a method invented by Ric Richardson and patented (U.S. patent 5,490,216) by Uniloc where a software application hashes hardware serial numbers and an ID number specific to the product's license (a product key) to
Microsoft previously maintained a similar digital distribution system for software known as Windows Marketplace, which allowed customers to purchase software online.The marketplace tracked product keys and licenses, allowing users to retrieve their purchases when switching computers. [3]
In software licensing, volume licensing is the practice of using one license to authorize software on a large number of computers and/or for a large number of users. . Customers of such licensing schemes are typically business, governmental or educational institutions, with prices for volume licensing varying depending on the type, quantity and applicable subscripti
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. It certifies that the copy of the program is original. Product keys consist of a series of numbers and/or letters.
Professional Plus: This suite includes the core applications, as well as Outlook, Publisher, Access, and Skype for Business. [27] This edition is available through retail channels (Developer tools subscription like MSDN subscription & Visual Studio subscription）and volume licensing channels.
The bundling of Microsoft Windows is the installation of Microsoft Windows in computers before their purchase. Microsoft encourages original equipment manufacturers (OEMs) of personal computers to include Windows licenses with their products, and agreements between Microsoft and OEMs have undergone antitrust scrutiny.