Every Truffle Teams account is eligible for a free 1-month trial that includes all features. Navigate to your account settings by clicking on your username or GitHub avatar in the sidebar.
If you're apart of one or many organizations, a list of the the organizations you belong to will appear in the sidebar. You can click on the organization's name or or GitHub avatar to view and/or manage the organization's settings.
You should now see the BILLLING settings page for the selected acocunt. If this account is still eligible for a trial, you'll be able to see/clickto claim your free 1 month pro trial.