Parallels offers downloads of Parallels Desktop 10 for Mac Upgrade Bundle for $49.99. (Click on "upgrade & save" to see this deal.) That's $285 off list and the lowest price we could find. This bundle includes an upgrade from Parallels Desktop 8 and above to Parallels Desktop 10 and the following Mac software: 1Password 5, Camtasia, CleanMyMac 2, Parallels 2-Year Access, Acronis True Image, and Gemini.