MacVoices #19211 - Joe Kissell Takes Control of Upgrading to macOS Catalina Joe Kissell has been digging into the best way to upgrade to the next generation of macOS, and shares some of his findings from his new book, Take Control of Upgrading to Catalina. What makes this upgrade different is the transition to only 64-bit apps. Some strategies on how to perform the upgrade effectively, how to find which of your apps can’t make the transition, and the things you should do before upgrading are just a few of the topics covered in this discussion. There are also some potential challenges after the upgrade, including security options that you should be aware of. Find out what you need to know from Joe.