Audio Recording - Audacity (for embedding into presentations)
Overview of How to use Audacity for Audio Recording
Audacity is a free and open-source digital audio editor and recording application software, available for Windows, macOS, Linux, and other Unix-like operating systems
Audacity software downloads:
https://www.audacityteam.org/download/
Audacity installation guides:
https://manual.audacityteam.org/man/faq_installation_and_plug_ins.html#install
Your First Recording with Audacity:
https://manual.audacityteam.org/man/tutorial_your_first_recording.html
Audacity Quick Start Guide:
https://manual.audacityteam.org/quick_help.html
The Basics of Audacity:
https://manual.audacityteam.org/man/audacity_tour_guide.html#basics