Step 1
Click the green circle icon with a number in the upper right corner, and then the "Online" submenu appears.
Step 2
Click New Session". When the confirmation window pops up, click "Yes".
Note: When starting a new session, the previous session will end. This means that if you have loaded a page (in another window or tab) before this new session, the page will no longer work and you will receive a message that access was denied.