The Microchip Studio comes with a preinstalled extension - the Visual Assist from WholeTomato Software.
The documentation on Visual Assist is available from several sources:
Go to www.wholetomato.com. Click on the left-hand menu to browse the documentation by feature.
Figure 1. WholeTomato Software Documentation
Jump directly to the relevant documentation using hyperlinks in the Visual Assist options dialog
Figure 2. Visual Assist Options