When a new iSpring Suite version is released, you will see a notification on the toolbar. The red number indicates how many updates have been released since the last time you updated. To get started, click the Update button on the toolbar and follow the steps of the update wizard.
Any updates available after your Maintenance Plan expires are available on a trial basis. If your Maintenance has expired, you will see a notification window. Just click Renew Maintenance on the toolbar to renew your subscription.