I came across an old app that purportedly allows current Mac users to use older apps. SheepShaver
has been around for awhile but I had forgotten about it. I have no personal experience with it but it might be helpful to those folks who need to run those older apps.
macOS 10.15.7, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365