Arthur searched: “McAfee Internet Security 2013 download.” He found a dusty-looking page on McAfee’s official site. It offered a 30-day trial. He clicked. The installer was 78 MB—tiny by today’s standards. It ran quietly, asked for no extra toolbars, and within minutes, a red shield turned green.

In the autumn of 2012, a librarian named Arthur finally saved enough to buy his first home computer—a modest Windows 7 desktop. A week later, a pop-up appeared: “Your PC is at risk!” Arthur panicked. A young friend mentioned “McAfee Internet Security 2013” was reliable.

Arthur ignored it. One morning, his PC froze. A support chat told him gently: “2013 software cannot protect against 2016 threats. You need the new version.”

A great download from 2013 is a liability in 2025. Update your protection—and your thinking—before the pop-ups come back.