Everybody can use at least a few keyboard shortcuts. Here’s a chart that summarizes all the Windows keyboard tricks.
Many people know about CTRL-C, X & V for cut/copy/paste, but make sure you also know CTRL-A for “select all.” And it shouldn’t only be old-timers who use ALT-TAB to cycle through running programs. How about SHIFT-TAB to move backwards on a form – good one, eh?