How do I tell if the upgrade is completed?
How do I know that the upgrade is completed?
iMac 21.5″, OS X 10.10
Question marked as
What happens is that the installation bar proceeds until the download is completed. That can take up to an hour, more or less. Then the installation can take another 45 minutes, more or less, with several automatic restarts. When this is completed, the computer should automatically restart itself. If something hangs up for a much longer period of time, then you may have to redo the process.
