https://www.udemy.com/course/camtasia-mastery-for-camtasia-9/
Camtasia from installation to video production. Everything from Audio to Zoom. Learn how to make great looking videos.

What you’ll learn
Download and install Camtasia.
Be familiar with the software interface, keyboard shortcuts, and best practices.
Record their computer screen and audio with ideal settings.
Edit recordings and add elements like text, background music, and animations.
Import media like images, video camera video, webcam video, audio, or other screen recordings.
Leverage existing assets within Camtasia like animated backgrounds, music, and icons.
Put media in order so certain media will appear in front of or behind other media.
Speed up or slow down clips to synchronize with voice narration.
Use annotations to get viewers’ attention and focus them on a certain area of the screen.
Understand and adjust volume levels and noise removal.
Remove a color to add green screen effects to their images or videos.
Add open and closed captions to their videos.
Incorporate quizzes, hotspots, and tables of contents into videos (requires hosting videos on separate servers).
Produce videos in different formats.
Add a watermark to a video to reinforce a brand and discourage piracy.
Choose a video hosting platform that best serves the needs of the viewers.