WinToHDD can image and install or reinstall your Windows 10/8.1/8/7/Vista/XP without a CD/DVD or USB drive.

WinToHDD is a handy and beneficial Windows software that allows you to install or reinstall Windows without using a CD/DVD or USB drive. With this All-in-One Windows Setup software, you can easily reinstall Windows, install Windows onto disks other than the one where your Windows operating system is installed, or clone current Windows OS installation (Windows Vista or later) to another disk.

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Limitations:
Free version features include, single user/PC, install and reinstall Windows without using a CD/DVD/USB drive, system clone, and multi-installation USB drive creation. Prices for Pro start at $29.95 and include the following additional features:

Faster clone speed

No upgrade prompts

Business usage

Free Lifetime upgrades

Free technical support

Number of computers allowed to install 1 user/2 PCs