How do I subscribe new Assets to existing Planned Maintenance Schedules?

Navigate to the asset record by searching for the asset in the Find Asset screen. This can be accessed from the Assets menu.
From the Asset Viewer click the Schedules.
Click the Subscribe to Schedule.
Click the lookup option to search for an existing schedule to subscribe the asset to. Select the schedule.
Add date and time options in the Subscribe From field and if required the Subscribe To field.
Click Subscribe to save.