Theory is fine. Here is practice.
This video recounts in stupefying detail the steps (Audacity plugins) I use to bring my amateur voice recording to ACX standards and remove typical clicks, pops and mouth sounds.
Windows 10, a $250 Shure PG42 USB microphone, and the latest iteration of Audacity.
The post-production sequence was developed by trial and error.
Feel free to correct it, eliminate the unnecessary, and improve the result.