macOS Hints: Testing macOS-Betas
Tip how to install and try out macOS betas

Apple's new operating systems always bring additional and interesting features. At the beginning of June at WWDC 2021, Apple presented its upcoming operating system macOS Monterey (version 12). This macOS version is not expected to be officially available until fall. Nevertheless, developers registered with Apple as well as interested users can already try out the so-called beta systems.
Since it is not yet stable and final software, but rather a construction site, which can however already be walked on, you should not use such betas as a work or everyday system.
The safest and easiest way to install a macOS beta system is to use a partition or external hard drive.
This ensures that the previous operating system remains on the Mac and you create a new volume for the beta or connect it externally.
Below are the steps for a successful beta installation of macOS Monterey.
Read more...