Windows methods assume 64-bit Operating systems. Here are 3 methods to get Flash running on your favorite website. Further, turning off auto-update in Chrome and Edge is difficult. I am not recommending Chrome or Edge browsers for the below solution because they will auto-update and newer versions will not support Flash at all.
Yes, I agree with Steve Jobs - Flash is buggy and not secure. Below is the dreaded Flash End of Life logo that you will see once Flash is finally turned off: Apple completely disabled Flash in Safari.
USING ADOBE FLASH PLAYER ON CHROME UPDATE
Microsoft announced they will uninstall Flash from Windows using a Windows Update (although only the Flash that came automatically with Windows, NOT user-installed Flash). Various browser manufacturers announced they will disable Flash.
You may have seen plenty of announcements over the past few years about Adobe Flash coming to the end of life.
***NOW UPDATED with Apple MacOS instructions, in addition to Microsoft Windows*** ***Also updated with the solution to the mms.cfg file not working due to the UTF-8 bug***