Microsoft Product Activation
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Microsoft Product Activation is a DRM technology used by Microsoft in several of its computer software programs, most notably its Windows operating system and its Office productivity suite. The proced
Emerging Markets licensed OEM installer DVD for Windows 8.1 Single Language (South East Asia)
Product key
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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.
Microsoft Product Activation
…Office productivity suite. 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…
Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium