While I understand the utility of a USB installer, it should be mentioned that macOS Internet recovery has been around since Lion. You can choose to install latest ...

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

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 ...

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 ...

PSA: for MOST use cases there is now a much easier solution. If your primary goal is just to download updates faster/not use up your limited data budget, and you have multiple Macs (otherwise why do ...