You could still get it for a PC, but is was considered and taught in school that the industry standard was to use a Mac for your design work. Back in the days when print and web professionals were divided, publishing software was mainly created for the mac platform. When you graduated from college, you could look for a design job without any knowledge of the web. Just a few years ago, web designers and developers and print designers were divided.
The reason I know the answer to this is due to the fact that I was around when print was still dominant. I have been in the design field for a few years. The age old debate over Mac Vs PC will be solved by the end of this article.
What platform should designers use for their work? Why do we care? Can the equipment you choose make a difference in your work? There are many questions to ask and plenty of definite answers. This has been an age-old debate for the longest time.