How do I make imac ready for sale?

[michel52]

hello,
i need guidance how to bring my iMac back to factory modus for selling my iMac to someone else?
My iMac : late 2009
mac Os : el capitan
24 inch
thanks,

 

[mbosse]

That model does not exist: 1 24" can only be an early 2009... Your question is elegantly answered by Apple themselves: https://support.apple.com/en-us/HT201065

Magnus

 

[michel52]

okey thanks