How to install sparkfun si470x modules library sch and pcb in kicad

I AM A NEW KICAD USER. I WOULD LIKE TO KNOW HOW TO INSTALL A NEW PARTS IN THE SCH AND PCB LIBRARIES WHOSE FOOT PRINT ARE ALREADY PROVIDED BY THE MANUFACTURER. Ext for SPARK FUN APDS-9301, Si470x Breakout modules and a KRC-86B V4.0 module

All caps generally means you are shouting. It is impolite to shout :wink:


However: How to get a downloaded symbol, footprint or full library into KiCad version 5?