Delisle (surname) topic. Delisle or De Lisle may refer to: Alexandre-Maurice Delisle (1810â1880), Canadian businessman, political figure Arthur Delisle (1859â1936), Canadian political figure, author Charles-Marie-RenÃ© Leconte de Lisle (1818â1894), French poet of the Parnassian movement Claude Delisle (1644â1720), French cartographer and royal censor, father of Guillaume (q.v.) Claude Joseph Rouget de Lisle (1760â1836), author of La Marseillaise, the French national anthem Dan ...
Product key. Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. Activation is sometimes done offline by entering the key, or with software like Windows 8.1, online activation is required to prevent multiple people using the same key.
Nobody else on the planet should be using your specific key for a program, which is why the program is able to use the key to validate your installation and prove you legally purchased your software. Finding a product key on a computer will vary in procedure depending on what type of key you're trying to find. Click Start.. Select Computer.. Choose the System Properties option. Your Windows operating system product key will be listed at the bottom of the page that is now open onscreen.