In this Video step by step instructions are given on How to Create a Bootable USB from DVD.
In order to Create Bootable USB Flash Drive you need Microsoft Windows 10 DVD Disc.
To Create Bootable USB from DVD you need to Download WinToFlash Software from the link given below.
filehippo.com/download_wintof...
You have have to follow the instructions given in this video to make a Windows 10 Bootable USB Drive from this software.
Make sure to insert Windows 10 DVD Disc in your DVD drive before starting the process.
I Hope you like this video.
Cheers :)