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WinToHDD Professional v6.6

110 MBupdated 2026-09-07 ★ 4.2Pre-activatedDisk

WinToHDD installs Windows straight from an ISO to any internal or external drive, clones an existing installation and creates a Windows To Go workspace on a USB disk. It is used for testing builds and for keeping a portable system on a fast drive.

The pre-activated Professional build removes the limitations of the free edition, supports Windows 7 through 11 images and can rebuild the boot configuration of a cloned installation automatically. Both MBR and GPT targets are covered.

What's inside

  • Install Windows from an ISO without burning media
  • Clone a running or offline Windows installation
  • Create Windows To Go on a USB drive
  • Automatic boot configuration rebuild
  • Windows 7 through 11 image support
  • MBR and GPT target disks

How to install

  1. Unpack the archive
  2. Run the installer
  3. Select the ISO and the target disk
  4. Restart to finish the setup

System requirements

Windows 10/11 x64, 8 GB free space