#Ms guides office 2013 activation serial number
Upon connection, the serial number was validated. The program generated a unique serial number which then called the author's BBS via a dialup modem connection. Some activation systems also support activation on user systems without Internet connections a common approach is to exchange encrypted files at an Internet terminal.Īn 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. Once activated the license continues working on the user's machine with no further communication required with the vendor's systems. 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. When the user installs the application it requests that the user enter their product serial number, and checks it with the vendor's systems over the Internet.
This installation ID is sent to the manufacturer to verify the authenticity of the product key and to ensure that the product key is not being used for multiple installations.Īlternatively, the software vendor sends the user a unique product serial number.
#Ms guides office 2013 activation serial numbers
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 generate a unique installation ID. In one form, product activation refers to a method invented by Ric Richardson and patented ( U.S.
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