There are a number of signs to tell you when it’s time to retire your Mac and upgrade, according to tech guru Kurt “CyberGuy” Knutsson.There are a number of signs to tell you when it’s time to retire your Mac and upgrade, according to tech guru Kurt “CyberGuy” Knutsson.Read More10a6cb67-47d5-50e3-a9c7-3d9a45c6b10d, fox-news/tech, fox-news/tech/companies/apple, fox-news/tech/topics/computers, fox-news/tech/technologies/mac, fox-news/tech/topics/security, fox-news/us/personal-freedoms/privacy, fox-news/tech/topics/cybercrime, fnc, fox-news/tech, article, Fox News, Kurt Knutsson, CyberGuy ReportFOX News : Tech