What is Windows PE?
Windows Preinstallation Environment (Windows PE, WinPE) is a lightweight
bootable version of Windows Live.
Windows PE is not downloadable: using external tools as UBCD4win, WinBuilder or BartPe provides the ability to create real Windows Live. These WinPe are boot disk with sound support and other multimedia features, contains a large archive of programs targeted for computer repair and administration, can repair windows damaged, for fix error registry, make a scan antivirus, clone or restore images, recover lost data even if the system cannot be booted anymore.