How to record your screen on a Windows 10 computer and capture your computer's audio along with it

You can screen record on Windows 10 using the Game Bar. A third-party app like OBS Studio allows you to record your screen and computer audio.
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I tried using 'ScreenToGif', a free tool that allows you to record and edit your screen and save it in GIF or movie format

ScreenToGif is a free tool that allows you to easily record your PC screen and save it in movie format such as GIF. I actually tried using it to see what kind of tool it is. ScreenToGif - Record your ...

How to test your webcam to make sure it's working properly before a video call

You can test your webcam using online tools or programs that come with Windows 10 or your Mac computer.