Here are two methods. There are other methods also. Method 1: WiNToBootic (free) Method 2: http://betanews.com/2014/01/13/run-...ly-from-a-usb-drive-on-any-computer-for-free/
Method 5 (the official method): http://www.eightforums.com/tutorials/14108-windows-go-create-windows-8-enterprise.html This method works only with 8 Enterprise, and apparently only with those USB flash drives that Microsoft has certified for Windows To Go usage.