Here’s a quick blow by blow.
Locate the hinges on the inside of the face frame.
Transfer lines to the door.
Bring the lines around the front of the door to locate the jig.
Install the hinge base using the center line on the hinge.
Install the bracket.
Use the lines on the door to locate the jig.
Drill out the waste.
Install the hinge cups.
Trim the door to fit using hand planes. Use card scrapers to create uniform space at the bottom and top of the door.