Go USB drive. Support for Windows 7/8/8.1/10 Technical Preview/2008 R2/2012/2012 R2 and WinPE 2/3/4/5. Use any edition of Windows 8/8.1/Windows 10 Technical Preview to create Windows To Go USB drive. Support for MBR and GPT disk layouts. Important notes: Windows 7/2008 R2 does not have built-in USB 3.0 support, so Windows 7/2008 R2 will have to be booted from a USB 2.0 port. USB flash drives are very slow. It takes a long time to install and run Windows from a USB flash drive, highly recommend using a USB hard disk. Windows To Go drives can be booted on different computers, so you can carry it to anywhere and use it on any computer. Windows 7/2008 R2 is not completely portable. You may have activation and driver problems when booting on different computers. You need to be an administrator on the computer you are installing the WinToUSB on.