Installing the macOS Big Sur beta on a new partition

Lickability:

Big Sur has just been announced, and you’re itching to give it a shot. But wait—you have plenty of apps to support and work to do. Is it worth the risk of things not working or crashing? Probably not. In this blog post, we are going to look into how to install the latest OS without disrupting your current setup.

I would never do this but if you’re brave enough, have at it.