1. Click the PC control icon
2. Select the Disable internet option from the drop-down menu.
How to disable Internet access 1
Your students will no longer be able to browse the Internet.

Hold your mouse over any student icon to verify that internet access has been disabled.
How to disable Internet access 2

To give your students Internet access back simply repeat steps 1 and 2 above. If you close the Tutor application or log off, shut down, restart then Internet access is restored.