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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. Product keys consist of a series of numbers and/or letters. This sequence is typically entered by the user during the installation of computer software, and is ...
Typing on a laptop keyboard. A computer keyboard is a peripheral input device modeled after the typewriter keyboard [ 1][ 2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Replacing early punched cards and paper tape technology, interaction via teleprinter -style keyboards have been the main ...
A software serial number, otherwise called a product key, is usually not embedded in the software but is assigned to a specific user with a right to use the software. The software will function only if a potential user enters a valid product code. The vast majority of possible codes are rejected by the software.
Software as a service. Software as a service ( SaaS / sæs / [ 1]) is a form of cloud computing in which the provider offers the use of application software to a client and manages all the physical and software resources used by the application. [ 2] The distinguishing feature of SaaS compared to other software delivery models is that it ...
Personal computer. An artist's depiction of a 2000s-era desktop-style personal computer, which includes a metal case with the computing components, a display and a keyboard ( mouse not shown) A personal computer, often referred to as a PC, is a computer designed for individual use. [ 1] It is typically used for tasks such as word processing ...
Vendors typically limit the number of computers on which software can be used, and prohibit the user from installing the software on extra computers. [citation needed] Restricted use is sometimes enforced through a technical measure, such as product activation, a product key or serial number, a hardware key, or copy protection.
Product activation is a license validation procedure required by some proprietary software programs. Product activation prevents unlimited free use of copied or replicated software. Unactivated software refuses to fully function until it determines whether it is authorized to fully function. Activation allows the software to stop blocking its use.
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