M-x help-with-tutorial M-x help-with-tutorialIf that doesn't work (depending on what Emacs thinks your Alt key is), you can also type Control-H, let go of Control, and then type t.
........................
I thought David was kidding. Jesus.
Emacs is largely self-documenting, but since it was written decades (and several OSs) ago, it's IMHO worth reading through the basics. For one thing, it tends to use different terminology than most people are familiar with.
% vimtutor
An alternative.