This video shows how to import the Renesas RA Flat project and TrustZone project in Arm Keil MDK.

Tips - How to import example project in Arm Keil MDK for RA 
0:00:00 Opening
0:00:14 Flat project and TrustZone Project
0:00:35 Set up IDE
0:01:14 Download Example Project
0:01:29 Import Flat Project
0:02:35 Import TrustZone Project
0:03:58 RA Smart Configurator user guide