Creating a single windows bootable drive is more easy rather than creating a multiple windows bootable in a single drive. There are lots of software you can use in order to accomplish that task, but now I found out that it is more convenient to have all windows bootable in a single drive. The steps are the following:
Preparing your usb drive step by step:
a. Download a software "WinSetupFromUSB". and double click it. The file you can download is self extract.
here is the download link: click here to download WinSetupFromUsb
b. Run the app "WinSetupFromUSB_1-9_x64.exe"
c. Plug your usb drive and follow the step shown on the video below.
After this step, Follow the next step as shown on the video:
to be continue......
