There are many reasons to reinstall macOS. It can fix any one of several OS errors. Plus, it helps secure your Mac for sale if you need to wipe all of your data. There are a few different ways to do ...

In the event of a serious problem with your Mac, you may need to reinstall your Mac operating system. There’s a simple way to do this using your Mac Recovery partition or via Mac Internet Recovery.

You can download old versions of macOS from the Mac App Store or as direct downloads from Apple's website. Create a bootable ...