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macOS 11, Big Sur, main article – en.wikipedia.org/wiki/MacOS

en.wikipedia.org/wiki/MacOS_Big_Sur

Sharing Screen / ‘Screen Recording’

Share screen in conference / collaboration solutions (meet.Google.com, Slack, Xoom, …)

support.apple.com/guide/mac-help/control-access-to-screen-recording-on-mac-mchld6aa7d23/mac

Control access to screen recording on Mac

1. On your Mac, choose Apple menu > System Preferences,
2. click Security & Privacy,
3. then click Privacy.
4. Select Screen Recording.
5. Unlock screen via key lock at lower left of dialog
6. Change existing entry: Select the checkbox next to an app to allow it to record your screen. Deselect the checkbox to turn off access for that app.
7. Add entry:
   1. Press ‘+’
   2. Navigate to where application is, select, and close dialog
   3. Make sure Checked new  item in list