This help article provides a step by step guide on how to update your current Salesforce Activity/Task Page Layouts with all the Inspire Planner related fields and components. Instructions for both Salesforce Lightning and Classic are provided below.
If you are using the Time Tracker feature, then you need to add the following fields and components to your Task Page Layouts:
In order to use Lightning Components, your org must have My Domain enabled. If you have not done so, you can review this article for more information: Salesforce Help - My Domain
If you have a Lighting Record Page setup for Salesforce Tasks, you can add Inspire Planner related components by completing the following steps