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 ...

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 ...

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 ...

How to create a bootable USB installer for macOS Sierra Your email has been sent Follow these steps to take to create a bootable USB installer drive for macOS Sierra ...

[url=http://arstechnica.com/civis/viewtopic.php?p=25537273#p25537273:i88v4p9p said: barefootguru[/url]":i88v4p9p]For Mountain Lion I just ran the installer to put a ...

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 ...