If you are looking for a free solution to run Windows programs on Mac that's less likely to have performance issues, this post is for you.
The best free way to install Windows on Mac is using Apple's built-in Boot Camp Assistant. With Windows installed on Mac, you can open MSG files on Mac, run Windows app on Mac, etc.
You can even install Windows 10 on Mac without any charge. It's arguable to say which one is better, Mac or Windows, but the good news is that you can have the best of both sides with some effort.