Thanks to Portable Workspace, an upcoming feature introduced in the successor of Windows 7, Windows 8 will enable deployment scenarios involving nothing more than USB flash drives. Essentially, Microsoft has expanded Windows 8 installation options not only to HDDs (hard disk drives) and SSDs (solid-state drives), but also to USB storage devices.
Portable Workspace is a Windows feature that allows you to run Windows from a USB storage device, the software giant reveals.
To create a Portable Workspace, you need access to Windows 8 Enterprise Edition installation files and a USB storage device with the following features: the device appears as fixed storage media [and] there is sufficient space for a full installation of Windows 8 Enterprise Edition.
A user who got his hands on the recently leaked Windows 8 Milestone 1 (M1) Build 7850 put together a video demonstration of the Portable Workspaces installation process.