I have a laptop Aspire E1-531 that came with Windows 8.
A few months ago I upgraded it to Windows 10. For some reason I would like to restore it back to Windows 8. I wonder if the hidden image of the factory default operating system would still be left intact after the Windows 10 upgrade. I press Alt-F10 to get to the screen where I suppose to be able to restore the system back to Windows 8. I am not too sure whether I should proceed from there as I am apprehensive whether I am getting Windows 8 or Windows 10 and whether the reset or restore would fail half-way and end up with an unworkable computer.