I was given an old MAC Pro desktop computer. I had to erase the drive before leaving with the computer. Now it won't let me reinstall the OS. It is trying to install El Capitan. It is saying that "item is temporarily unavailable".
I did not have an Apple ID prior to getting this Mac Pro.
How...
I purchased a used 2012 Macbook pro 15 inch (A1278) and the previous owner did a hard factory reset. I have tried every option that I can find online and still can't get the OS to install. I have taken it into apple Genius Bar and they were of no help. Internet Recovery mode will not boot. In...