To install PIMSY on a MAC you first need to install either Parallels or VMware software. Once you have installed one of these programs, install your copy of Windows on your MAC.
Now you can start your computer in Windows instead of the MAC operating system. Install PIMSY in Windows.
Here are a few links to help.
If you cannot find what you need in this article, please contact Support (email) or call 877.334.8512 ext. 3.