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 ...

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 ...

Like Lion (OS X 10.7) before it, Mountain Lion (OS X 10.8) doesn’t ship on a disc—it’s available only as an installer app downloadable from the Mac App Store ...

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 ...

You'll need to use a startup CD to boot up your computer and run diagnostics if you have a problem booting from your installed Windows XP operating system – for ...

Happy Mountain Lion Day! Now that you have downloaded the 4.34GB installer, you may want to install Mountain Lion on more than one of your personal machines. Do you really need to wait 45 minutes or ...

Windows comes with a built-in repair environment called the Recovery Environment. Unfortunately, it is possible for the recovery environment to become inaccessible. The same tools can be accessed by ...

If you don't have a macOS Server installation and have multiple macs to upgrade, it can be a bandwidth-sucking chore. Instead, there's a way to download a full install of the latest version of High ...