How to schedule a meeting in Teams
https://support.microsoft.com/en-us/office/manage-meetings-ba44d0fd-da3c-4541-a3eb-a868f5e2b137
How to join a meeting (Host and Guests)
https://support.microsoft.com/en-us/office/join-a-teams-meeting-078e9868-f1aa-4414-8bb9-ee88e9236ee4
How to share your screen
Share Screen or Change Presenter
Record a meeting
PowerPoint slides into meetings
The complete Microsoft Teams Video Library
The complete Microsoft help center for Teams