I need to upgrade my MAC OS X, but have forgotten my administrative password. Is there a way to retrieve it?
iMac (24-inch Early 2008), OS X Mountain Lion (10.8.2)
Posted on Jun 1, 2016 5:58 PM
Q: I want to upgrade my Mac OS X to El Capitan. But I have no idea what my administrative password is
Change or reset the password of an OS X user account - Apple Support
http://tidbits.com/article/14437