Record the screen on your iPhone, iPad, or iPod touch
https://support.apple.com/en-us/HT207935
Take a screenshot or record your screen on your Android device
https://support.google.com/android/answer/9075928?hl=en
How to Use Windows 10’s Built-in Screen Capture Tool
https://www.howtogeek.com/706124/how-to-use-windows-10s-built-in-screen-capture-tool/
How to record the screen on your Mac
