The upgrade activation key will be sent immediately to the e-mail address you provided.
To upgrade Parallels Desktop to the latest version you will need to purchase an upgrade from the Parallels Online Store. You can install a Windows, Linux, Mac OS X, or any other supported guest operating system in each of your virtual machines, and work with them and their applications side by side with your Mac OS X applications. Parallels Desktop 17 for MAC is a virtualization solution that allows you to create virtual machines on Macintosh computers with Intel processors (1.66 GHz and faster). Why upgrade to Parallels Desktop 17 for MAC?