An activation key is a code to register or activate a software application. It usually consists of letters and numbers with a dotted fundamental movement between sections. Newer models of software products eliminate the activation key as an authorization mechanism. With the development of cloud computing services, many types of software have been purchased online and used online on a subscription basis. It eliminates the need to use activation keys to authenticate users. An activation key is a by-product of the system where the user purchases the code and execution software for the application and downloads all of the code to their computer or device. New methods are rapidly replacing the traditional form of licensing.
programming language for Windows 8 gets to know a programming language. This application is quiz for various programming languages. When the application shows one of programming languages randomly, user can select one example of that language as an answer. As the user solves the problem, the score is showed on the screen. After users finish five problems per one term, they can check total score and restart next term directly. If users restart the quiz, former score is initialized. Users who studied various programming language can do self-test whether they get to know well about the characters of each.