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 ...

Making a bootable macOS Big Sur USB drive is a quick and clean way to install a fresh copy of macOS on your Mac. This hands-on tutorial is valid for both the public and developer beta versions of ...

I'm still using Mac OS X 10.6.8 but will probably update to OS Lion soon. Can someone detail the best way to prepare a USB boot/recovery drive? I've read that you can download it from the Mac App ...

Despite Apple’s best efforts, you can make a bootable install disk of Mac OS X Lion… but it’s not for the faint-hearted, or those who aren’t tech inclined. Luckily, there’s an even easier way to make ...