starting to learn Ubuntu as a second os. have some accessibility questions.

[Austin Pinto]

hi all.
i made vm of the latest ltsb version of Ubuntu.
i have the following questions.
1. is there a video series, podcast or guide to learn the entire use of orca?
2. is there some other tts for orca if yes how to get them?
3. is there a list of orca and plain Ubuntu keyboard shortcuts?
i also want to install vmware tools. how do i do that?