VoiceOver on Mac or NVDA on Windows are good, free options.
There's an accessibility playlist on Youtube that provides an introduction to both:
https://www.youtube.com/watch?v=5R-6WvAihms&list=PLNYkxOF6rc...
A more in-depth demo:
https://www.youtube.com/watch?v=y0m7VEHoXMI