Sometimes installing OS X may result in odd behavior if the partition scheme on the drive is not set up properly. If you are experiencing problems, a simple repartition during setup may be an easy fix ...

The most common method is to boot from a Mac OS X Install disc, run the Installer utility and install a new copy of Mac OS X. The other common alternative is to create a bootable (mirrored or cloned) ...

[Editor’s note: This article is part of our series of articles on installing and upgrading to Lion (OS X 10.7). We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8).] ...

Apple makes it harder to make an external boot drive for your Mac than it has in the past, but sometimes you still need to do it. Here's how to do it in macOS Sequoia. Apple Silicon and macOS may be ...

It's easy to make boot disks on old Macs for older hardware, but as the years have gone on, it's gotten a little more difficult. Here's how to make classic Mac OS 9 and early Mac OS X boot media on ...

This article is for people whose Macs came preinstalled with Mavericks. If you can download the Mavericks installer from the Mac App Store, you should instead use our standard instructions for ...

Apple only sells OS X Mountain Lion as a digital download in the Mac App Store. The installer weighs in at a hefty 4.05GB, but the good news is that you can install your copy of Mountain Lion on all ...

In this hands-on video walkthrough, I’ll show you how to turn an eligible USB drive, one that you may already have laying around the house, into a handy macOS Monterey install disk. This is useful for ...