This article explains how to record a lesson in Teams.
Step 1: In a meeting click the 3 dots and then click "Start Recording".
Step 2: You will see a red recording circle to the left-hand side of the toolbar. This symbolises the meeting/ lesson is being recorded.
Step 3: To end a meeting for all participants navigate back to the 3 dots and click "Stop Recording".
Step 4: Click "Stop Recording" when the below window prompts you.