This video shows how to acquire a component from a manufacturer part search and add it to a workspace in Altium Designer.
Open the Manufacturer Part Search - Enter a part number and view a part that appears. Right click to Save to My Workspace.
Open the Component Category and Select Parameters - Select the parameters, models, and data sheets to include, or remove, from the component, then select okay and save it to the workspace.
Place the Component - Find the part in the Components Panel and place it in the schematic.