For six months, it worked. Then came a mandatory macOS update.
Show you where to get a for the current version. parallels-desktop-13-pre-cracked-business-edition
A search on a torrent forum led him to a forum post claiming to have an old Parallels Desktop 13 Business Edition .dmg file, "pre-activated" and "unlimited". For six months, it worked
Suddenly, Parallels' activation servers—which the crack tried to bypass—flagged his installation, blacklisting the activation key. For six months
It seemed perfect. It allowed him to run Windows without rebooting and included fancy features like Picture-in-Picture.