Trying to install a fresh copy of OS X 10.8
I'm totally stuck. I got a new MacBook Pro and I'm giving my old MacBook that has OS X 10.8 to another family member of mine. I wanted to erase and reinstall OS X 10.8 on my old MacBook computer so that the person gets a new, fresh computer. However, during this process I got stuck. I never had an apple id and I originally installed 10.8 externaly from a drive. When I try to reinstal OS X, I keep getting a message that I need to have an Apple ID. After creating an Apple ID, I get the "This Apple ID has not purchased 'OS X Mountain Lion'" message. This made me realize that it's trying to download this from the App Store and not from my local drive. Can you please let me know what options I have. I still have OS X 10.8 on an external drive but I cannot seem to get it to be installed from recovery.
Any help would be appreciated.
Thank you!
MacBook, OS X Mountain Lion (10.8.5)