If you have more than one Mac you want to upgrade to macOS 10.15 Catalina but don't want to waste so much bandwidth downloading it for each machine, one option is to create a bootable installer on a ...

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 ...

Photo: Ste Smith/Cult of Mac Turn any USB Drive into a Yosemite installer! There are plenty of reasons why you might need to make an OS X bootable drive. Maybe you’re updating numerous Macs in your ...

I think the reason we haven't heard many complaints about the doing away of physical media is exactly this. As long as power users can make their own offline media, there's nothing to complain about.

How to create a bootable USB to install OS X Mavericks Your email has been sent Jesus Vigo goes over the steps to create a bootable USB to install OS X 10.9 (aka ...

A bootable Mac OS X thumb drive comes in handy when you need to troubleshoot OS issues for yourself, your family, or your friends. It’s also extremely useful for keeping your basic setup consistent ...

If you've ever have to wipe the drive of a very old Mac, you know you need an old macOS to get it running again. Beyond ...

How to create an OS X multiboot USB install drive Your email has been sent In an ideal world, sysadmins everywhere would only need to manage one or two operating systems–one desktop, one server–and ...

There are a few reasons why you might want to reinstall macOS (or even Mac OS X). Perhaps your Mac is working erratically and you think that a clean install of the operating system might fix the issue ...