[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).] ...

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 ...

When buying a new computer or laptop, the latest operating system is often already installed. If not, and you have the original media that the OS is on, you can perform the installation yourself. For ...

Reinstalling Windows is a long, grueling experience. Once you get the OS running you have to download updates, track down the right drivers, install your apps, and put everything else together.