Forgotten admin password
How do I unlock my preferences when I have forgotten my Admin password?
MacBook Pro, OS X 10.11
How do I unlock my preferences when I have forgotten my Admin password?
MacBook Pro, OS X 10.11
You can't, but you can reset your Admin password using your Apple ID (among other possibilities).
Start here: If you forgot your Mac login password - Apple Support
You can't, but you can reset your Admin password using your Apple ID (among other possibilities).
Start here: If you forgot your Mac login password - Apple Support
Forgotten admin password