The best tool for screen capture and video/audio recorder.
Record any kind of screen on a computer like online videos, games, GoToMeeting, Skype calls podcasts, online conferences, webcam videos, webinars, lectures, and more.
Record video with different audio sources to meet your needs, like system, sounds only, microphone voice-only, or both on your Windows or Mac.
Capture full screen or in the selected area, and preview captured videos before saving them to the specified folder
The process to get the license key:-
Visit the Link
The page is in the German language so use Google translates or Google Chrome to view the page in English.