Step 1: Select a Client on the Clients Page
Click on the "Clients" tab located at the top.
Choose a client from the list on the left.
Click on the client's name to select them.
Step 2: Go to Contacts Tab
Inside the client's details, navigate to the "Contacts" tab.
Step 3: Add a New Contact
Right-click over the grey band in the Contacts tab.
From the context menu, select "Add New Contact."