Once you have installed Windows 10 the digital license will be recognized if or when you reinstall the operating system. This type of product key is new starting with Windows 10. Just reinstall the operating system and Microsoft will recognize your installation as being valid.
If you need the installation media you can use the Media Creation Tool to create Windows 10 installation media for a disc or flash drive.
There are three options, use the second option Using the tool to create installation media (USB flash drive, DVD, or ISO file) to install Windows 10 on different PC.
Just follow the instructions and you will have your installation media.
Edited by dc3, 21 December 2016 - 08:53 AM.