How do you record computer screen?

There's one kind of software called screen recorder (or desktop recorder) which allows you to record what you can see on your computer screen, often containing audio narration. It's useful for demonstrating and teaching software features. Some of them also offer the further video and audio editing features for your video, like callouts, zoom-in, highlight, images and animation. Every screen recorder has its highlights and it may just focus on specific group of users.

You can check out more at

en.wikipedia.org/wiki/Screencast

Here are the recommendation of how to choose the right screen recorder for different uses at Article Blast

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