The document provides an overview of Microsoft Application Virtualization (App-V) and Microsoft Enterprise Desktop Virtualization (MED-V). It discusses how App-V streams individual applications virtually while MED-V virtualizes the entire Windows operating system. App-V provides benefits like isolating applications and reducing conflicts, while MED-V allows running applications not supported on a new OS and accelerates OS upgrades. The document also compares the key differences between App-V and MED-V.