How to upload files and folders to Google Drive:
https://support.google.com/drive/answer/2424368
How to download files and folders to Google Drive:
https://support.google.com/drive/answer/2423534
How to save and play videos on Google Drive:
https://support.google.com/drive/answer/2423694
How to organize files on Google Drive:
https://support.google.com/drive/answer/2375091
How to share files on Google Drive:
https://support.google.com/drive/answer/2494822
How to share folders on Google Drive:
https://support.google.com/drive/answer/7166529
Stopping, limiting, and changing access on Google Drive:
https://support.google.com/drive/answer/2494893
System requirements for Google Meet
https://support.google.com/meet/answer/7317473
Use Google Calendar to schedule a conference for Google Meet
https://support.google.com/meet/answer/9303069#calendar
How to start a conference on Google Meet
https://support.google.com/meet/answer/9303069#url
Creating a Google Group
https://support.google.com/groups/answer/2464926
How to add members to Google Groups (directly add users to groups):
※How to directly add students ELMS mail addresses