Upgrade my OS X to the latest available, Mac Mini Late 2012

Note: before you upgrade to latest supported macOS

do check for and locate update/replacements for older

32-bit drivers and applications that had been required.

Certain items won't be supported after Mojave 10.14.6.

A free utility that can help locate newer & replace older

32-bit vs. 64-bit drivers; shows a list, once its run..

• Go64: Check your Apps and Prepare for a 64-bit World

https://www.stclairsoft.com/Go64/

"Quickly scan your disk for applications, see which ones are 32-bit,

and find upgrade information with the click of a button... It's free."

• Apple's support article explains how to use the built-in macOS

System Report to identify 32-bit apps on your system.

• How to get old versions of macOS - Apple Support

https://support.apple.com/en-us/HT211683

(other macOS installer downloads + details are included in this article)

Back up your data, check your applications for compatibility, and click on Catalina.

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