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 ...

Apple hasn’t shipped operating systems on physical media in a full decade, but there are still good reasons to want a reliable old USB stick for macOS Catalina. Luckily, it’s not hard to make ...

Apple has released Mac OS X Lion in the Mac App Store for $30. Separately, Apple will also begin offering Lion on a USB thumb drive in Apple stores come August. Right now, you can grab Lion from the ...

Apple hasn’t shipped operating systems on physical media in almost a decade, but there are still good reasons to want a reliable old USB stick for macOS Mojave. Luckily, it’s not hard to make ...

When something goes wrong with your Mac, it's a boon to have a separate, external drive that you can work from — but Apple no longer makes that easy. Here's how to do it. The short answer to how you ...

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 ...

Apart from the default startup disk, Mac computers can be set to start up from a different disk like an external drive, network volume, or a USB flash drive. This article explains the process for ...

Reformat USB Flash Drive To create the bootable installer, plug the USB drive into your current Mac. Click the Go menu and select Utilities. Open Disk Utility, select the USB drive, and click the ...