Parallels says the current Parallels Desktop 7 for Mac (version 7.0.15104.778994, released on July 10, 2012) supports Mountain Lion (OS X 10.8) and enables users to enjoy Apple’s latest operating system while simultaneously running Windows apps.
If you’re currently using Parallels Desktop 7 for Mac, be sure to check for updates to ensure you’re running the latest build and Mountain Lion ready. This is easy to do — simply go to the Parallels Desktop menu, select Check for Updates, and install the latest build. For those currently using an older version of Parallels Desktop for Mac, before you upgrade to Mountain Lion, be sure to upgrade to Parallels Desktop 7 for Mac.
A free trial of Parallels Desktop 7 for Mac is available for download at http://www.parallels.com/desktop .