I used my friends dev account to download it, but I kept getting this error. Do I need to put in my serial number on their account?
I downloaded/ran a program to enroll my MacBook in the Public Beta program for Yosemite before getting the first beta...I don't gunk you need to register for OS X betas? At least you didn't need to last year.
I don't gunk you need to register for OS X betas? At least you didn't need to last year.