How to set up meeting permission in Google Meet?

The help page has been moved here.
This page is not updated, so please refer to the above for the latest information.
The entry permissions on Google Meet are reliant on the specific features and setups within Google Meet itself. You can manage these settings by toggling the "Meeting access type" feature.
※ The setting for Meeting access type is available within Google Meet, typically found in the lower right-hand corner