Import Library to the DAVE studio XMC_Peripheral_Library_v2.1.18

Hallo,

I am a beginner in microprocessors from infineon.
I tried importing libraries written by the manufacturer "XMC Peripheral Library v2.1.18" and I can not compile the project with these libraries, I use the XMC4500 microcontroller.
please show me step by step best in screens how do I do it.

thank you

hessy