Install macOS Big Sur On A Partition

I was a bit hesitant to post this article on installing macOS Big Sur Public Beta on a Partition on your main Mac hard drive. You can mess up your system doing this. However, for the more experienced and adventuresome of you, this article describes how to create a temporary Partition on your Mac’s internal hard drive and install Big Sur. That is, of course, if you have enough space on that internal drive.1


  1. It also explains how to install the Beta on an external hard drive.