Thank you @biglimp and @sunt05 for your help, you guided me directly to the solution.
It was a certificate problem and my company didn't trust supy and click.
After trying to install the packages with pip in the OSGeo4W Shell, I got the problem code indicating it was a certificate issue.
Solution:
Start OSGeo4W Shell.
Run this line to update the list of trusted packages:
Originally posted by @nissepistol in #83