Sign out of your Chromebook account
On the sign-in screen, select Browse as Guest
If you do not see Browse as Guest, click or tap More options
Select Browse as Guest from the menu
Use the guest session normally
To exit, open the status area and select Exit guest
If Guest browsing is disabled, go to Chromebook settings and enable Guest browsing under People or Accounts
If the Chromebook is managed by a school or work account, Guest browsing may be blocked by the administrator