![]() And while installation time has remained relatively consistent at anywhere from 20 to 50 minutes, the upgrade process is still lengthy. Today, it takes 3x longer to download an installer and 3x more space to store on Mac endpoints plus 3x more working disk space to run. As the size of the macOS installer grows, the complexity of deploying it grows exponentially.No administrator should be surprised or unprepared for a new version of macOS each year. ![]() ![]() It’s an established pattern that’s been in place for a decade. Apple is aggressively updating its Mac operating system.What does this teach us as administrators? However, threats from for-profit malware hidden in apps or tainted downloads quadrupled in 2019 according to a USA Today report. Traditional malware such as viruses and worms are still minimal to non-existent. Today’s macOS is under increased threat from malware and bad actors.Its most recent macOS Monterey 12.0.1 installer weighs in at about 12 GB - nearly triple in size. The OS X Lion 10.7 installer was about 4.72 GB. The size of its Mac operating system installers has grown considerably over those 10 years too.It released Mac OS X Lion (10.7) in 2011 and every year since has released a new major version. Apple has been on a 1-year major release cycle for its Mac operating system for the past 10 years.Luckily, we've laid out how to do that in a separate article aimed at older machines, but we will also cover the process briefly below.Īlternatively, if the Mac you want to wipe includes a T2 chip or Apple Silicon and supports upgrading to macOS Monterey or later, you could perform the OS update first before using the "Erase All Content and Settings" feature to wipe your Mac. If you have a Mac running a version of macOS older than macOS Monterey-or your Mac lacks the hardware features mentioned above-you'll need to perform a more complex series of steps to factory reset your Mac, such as reinstalling a copy of macOS from Recovery mode. It only shows up if your Mac incorporates a T2 Security Chip or runs on Apple Silicon. Starting with macOs Monterey (macOS 12), released in 2021, System Preferences now has an "Erase All Content and Settings" option similar to the ones found on the iPhone and iPad. ![]()
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