Parallels has updated their recently-released Desktop 7 for Mac virtualization product, improving support for non-English keyboards, support for Ubuntu 11.10 and improving the full-screen experience, now allowing users to scale the virtual machine screen to fit the screen while retaining the resolution. The update, labeled build 7.0.15050, also introduces the ability to install OS X Lion into a virtual machine using the Install Lion.app installer from the Mac App Store.