WinToUSB Professional V3 is a System Utilities software developed by Hasleo Software. After our trial and test, the software was found to be official, secure and free. Here is the official description for WinToUSB Professional V3: WinToUSB is the best Windows To Go Creator that allows you to install and run Windows operating system on a USB hard drive or USB flash drive, using an ISO image or CD/DVD drive as the source of installation. In the newest version you can clone current Windows OS (Windows 7 or later) to a USB drive as a Windows To Go Workspace. WinToUSB also support creating bootable WinPE USB drive, it can help you to transfer the contents of WinPE to the USB drive and make the drive bootable. you can download WinToUSB Professional V3 free now.