Whether you have a mac mini or a MacBook, this is by far the easiest way to install Mac OS onto an external hard drive and use that hard drive as if it was installed in your Mac Mini. Thus, saving your Mac SSD from wear and tear by not using it at all, and by using solely the external drive.
0:00 Intro
2:00 3 reasons Why?
5:03 Best tools to buy
7:47 How to install
8:07 Download Sequoia
11:03 install Sequoia on usb stick
15:37 install on External M.2 NVME