Restore with out recovery disk
I bought a Imac year built late 2009 version 10.11 OS X Capitan. I follow instruction how to eraser and restore after, I follow thought step by step until where it ask to sign in my apple ID, and it have error msg pop up( this Item not available as this time) anybody can help what it meant and how can I passby it or any other way I can make my computer work again.