Is OS X El Capitan a usable OS in 2021?

OS X El Capitan was the last version of macOS to be called "OS X," and it was also the last version of macOS to run on older Macs (and PCs) from around 2006-2007.  In this video, we'll be testing out this version of macOS, and while it's reaching 6 years old at this point, we'll be seeing if it's still usable in 2021!