I installed Catalina onto my HP X360 laptop with intel wifi. I used Nirech Catalina w/Clover, but no wifi as expected. Did some research, and stumbled upon several sites and videos talking about itlwm and airportitlwm. I followed along with several videos, by using Cloverconfigurator to mount the EFI partition, went to EFI>CLOVER>kexts>other and then I placed itlwm.kext into the folder per the guide. I then mounted Heliport, and dragged the heliport application into the applications folder, and then added it as a startup app under the users settings. In the videos, it works, and they get wifi. On mine, when Heliport loads it gives error message saying "itlwm is not running". Alternately, I've tried removing itlwm.kext and instead placing airportitlwm.kext into the same folder mentioned above. That appears to do nothing either. The wonderful /s instructions online seem to indicate: Unzip. Copy the kext files into your Bootloader's kext folder in your EFI ...