Before you start to use google meet you need to make sure of the following few things before it will work at school. If you are at home then you do not need to check this.
Goto https://meet.google.com and check there are no filtering issues if there are you will need to check you proxy setting or ask your ISP to unfilter the site.
Google meet can be used to create tutorials and presentations that are then saved to drive as video files.
Goto https://meet.google.com and