Quickie: Authorizing a Computer in iTunes

Quickie:  Music won't play in iTunes on your new PC?  It's an easy fix.  Push Alt-F to make the menu bar appear.  Right-Arrow over to "Store".  Down Arrow to "Authorize this computer".  Push Enter.  Bang in your iTunes username and password.  Click Authorize.  Fixed!
 
Insert obligatory grumble about DRM <here>.