Bootable disc image files may contain all the data necessary to create a disc from which computers can boot, but if you want them to work, you can't just burn them to a disc the way you would regular ...

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 ...

In last month's column, I described the hurdles that Mac OS X puts in your way when you try to create a bootable disc, especially a custom bootable CD, DVD or flash drive. I offered various solutions ...

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 ...

When your small business creates a bootable disk for its Mac computers from ISO disk images, there's a difference between an ISO file and the disk image it contains. If you burn the file to a blank ...

In this hands-on video walkthrough, I’ll show you how to turn an eligible USB drive, one that you may already have laying around the house, into a handy macOS Monterey install disk. This is useful for ...

The situation: I'm helping upgrade a department from a mixture of OS 9 & OS X that's been installed over the years and not horribly well maintained to a smooth setup of OS X boxes (except for the old ...

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 ...

There are a few reasons why you might want to install an old version of macOS or Mac OS X. Perhaps you are relying on software you have discovered doesn’t work properly with the newest version of ...

How do I create a snow leopard usb boot or dvd disk while running Sonoma on a Mac Studio Pro? I want to install Snow Leopard on an old Macpro 5,1 but I don’t have a boot disk or sub stick. I got Snow ...