Kali is not a distro for beginners.
Please see the sticky thread in this sub-forum. It asked you to read it before posting in this sub-forum.
Hey there, welcome to Linux.org! I'm a big fan of Kali Linux, so decided to create a forum section for it here on Linux.org.. Kali Linux is built as a pentesting distribution - and it is assumed that you have decent enough Linux experience to be able to troubleshoot things like network...www.linux.org
From your first screenshot, it seems that your wifi is Broadcom BCM43142. The video below will explain the steps for installation. (See answer #12 in Kali thread here for details).Installing wifi driver on Kali
The next time you've encountered such issue, look for answer on Youtube or Kali Linux forum. Type in Google site:kali.org broadcom driver.If you have similar issue in the future
This video might help as well.
I quit answering Kali posts because of this, 90% of the Kali topics are people who are new to Linux who don't want to learn Linux but want to learn how to hack without actually wanting to learn Linux where most of those tools run on.In almost every single case, these potential Kali users have never set foot near Linux in their lives. Yet to a man, they ALL seem to home in on one of the most awkward distros it's possible to find for a beginner. Where IS the impetus for all this coming from?