OSX Leopard has been hacked to work on all Intel PCs. The process is ridiculously simple, requiring a small.zip and a touch of blank media. Leopard can be installed on any PC with Tiger pre-installed, but Tiger is required pre-installation. We had written a very smug, Macs rule PCs drool post reporting that PC users could run Leopard. And then our Mac froze up and we lost it all. So now you just get the news straight, without our giggling.”]
Source: https://gizmodo.com/leopard-hacked-for-self-hating-pc-users-315934