Take Control of Upgrading to Catalina (Version: 1.1, October 7, 2019; originally published August 26, 2019)
Joe Kissell is a best-selling, award-winning, hyphen-overusing author and technologist, and the publisher of Take Control Books. He enjoys making complicated topics easy to understand. He’s also a husband, dad, and dreamer. Having lived in numerous places in the U.S., Canada, and France, Joe has now settled in Saskatoon.
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