Parallels Desktop Upgrade to Windows 7 Easily upgrade with simple step-by-step instructions, then quickly master your new Windows 7 machine with interactive, on-demand, video tutorials. Upgrade Wizard walks you step by step through the upgrade process without needing to reinstall each and every program on your existing PC. Allows your programs to run after you upgrade to Windows 7, even if they are not compatible with Windows 7. Safeguard your data and desktop through backup and preserving your original XP set up.