(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 ...

Be honest with your first impressions: Does Mac OS X 10.5 Leopard rock your world or is it more of a ho-hum upgrade? You can take a poll to let us know.

Hundreds of users are reporting an inability to properly startup after installing Mac OS X 10.5 (Leopard). This issue is typified by a successful installation, but a persistent blue screen on the ...

As for how bad, that will all depend on Snow Leopard: when it will ship, how it will improve Mac OS X security, and how many users will install it.

Mac OS X Lion is easier to install than any previous version of Mac OS X but things can go awry. Find some solutions here.

Leopard is the first Mac OS X system that comes on a Universal Binary DVD. The very same DVD can be used to install Leopard either on a PowerPC Mac or on an Intel Mac.