How can I import icc in Lightroom in macOS Catalina?

Hello, 

I need your help because I have to problems. 

Firstly, I need to config a main profile icc inside lightroom when I'm doing a new import photos?

The second problem, I want to install a .icc profile from Saal Digital to try use when I revelate the photos in lightroom.

Can somebody help me?

Thanks in advance, regards