You can follow the following guide to Create a Teams meeting:
https://rbservicesnz.freshdesk.com/a/solutions/articles/51000272325
1. Once you are in the meeting, click on the "Share Content" icon at the top right
2. If you would like to share your entire monitor, you can click on the monitor under "Screen". If you have multiple monitors, you can chose which one you would like to share here.
Or, if you would like to share a specific window you can click on "Window", and then select the window you would like to share
3. Once you have selected a screen or window, the content will now be shared with the call. Any content you are sharing will be indicated by a red border
4. To stop sharing your screen, you can click on the "Stop Sharing" icon at the top right of your Teams window
