Formatting a hard drive along with the install of a new OS is the best option. The vast majority of operating system installations provide a "format" option as part of the installation process.

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 ...

Currently the drives are in spanned RAID mode, from what I can gather from the Command+R > Disk Utility read out. It says that it's got a 1.5TB hard disk, when there are 3x 500GB drives physically ...

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 ...

Apple has released OS X Lion as a download from the Mac App Store only; however, you can use the download to create a separate OS installation disc or drive partition to use for troubleshooting ...

[Editor’s note: This article is part of our series of articles on installing and upgrading to Lion (OS X 10.7). We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8).] ...

So you want to try out Windows 8. Excellent! But you’re not foolhardy enough to try using a developer preview build as your main work/play operating system–you just want to dabble. We’ll show you how ...

Building a hackintosh—that is, installing Mac OS X on non-Apple hardware—used to require extremely restricted hardware choices and quite a bit of know-how. Now ...

The most practical ways to move an operating system installation to a different hard drive are to either restore a system image or clone the old drive to the new drive. These methods will make a 1:1 ...

If your attempts to install OS X Mavericks are not working or have your system stuck, then here are some quick steps to take to get up and running. Topher, an avid Mac user for the past 15 years, has ...

Windows operating system allows users to create different partitions on a hard disk. They can use these hard disk partitions for different purposes, like installing Windows operating system, storing ...