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 ...

(Note: This guide is adapted from one I found buried in Google's cache, so I thought Ars might appreciate a more accessible, updated version.)IntroductionWe all know that OS X is pretty damn stable ...

If you have a spare hard drive lying around, you could use the existing recovery partition to install the OS on to that, even if just temporarily. If you have a friend with a Mac, he could download ...

Today, Apple officially releases Mac OS X 10.4 (Tiger) -- a major update that will be installed by thousands of early adopters (many users received their copies a week ago) in its first few hours of ...