Open Zoom App or Web Portal – Launch the Zoom desktop app or go to zoom.us and log in to your account.

Start or Join a Meeting – Either create a new meeting or join as the host of an existing one.

Click the Arrow Next to “Share Screen” – In the meeting controls at the bottom, click the small arrow (˄) next to the green “Share Screen” button.

Select “Advanced Sharing Options” – From the dropdown menu, click on “Advanced Sharing Options…” to open screen sharing settings.

Change “Who Can Share?” Setting – Under the “Who can share?” section, select “All Participants” if you want to let everyone share their screen.

Choose “Only Host” if Needed – If you want to restrict sharing, select “Only Host” — this can be toggled any time during the meeting.

(Optional) Pre-set in Web Settings – Go to your Zoom account on the website → Settings → In Meeting (Basic) → Enable Screen sharing and select who can share by default.

Apply Settings and Close – Close the popup, and the updated screen sharing settings will apply immediately for the meeting.