Windows Store device app (PN)~ An app that’s downloaded from the Windows Store and installed automatically to the PC when a user attaches a certified device to the PC provided that the device manufacturer has submitted the app to the Windows Store. Windows SuperFetch (n)~ A memory management innovation in Windows Vista that helps make your PC consistently responsive by tracking what applications are used most on a given machine and intelligently preloading these applications into memory. Windows System Assessment Tool (n)~ A tool that provides performance metrics and other information necessary for Windows and applications to make scaling decisions. It measures the performance attributes of: system memory the storage sub-system the CPU (or CPUs) and the graphics sub-system.