Qualified Windows 7 or Windows 8.1 devices can upgrade for free. If you need to install or reinstall Windows 10 using a USB or DVD, you can use the media creation tool below to create your own installation media with either a USB flash drive or a DVD. The tool provides file formats optimised for download speed and can be used to create ISO files.
If you’re on an Enterprise edition, the media creation tool and the Upgrade now won’t work for an upgrade. Please see the Volume Licensing Service Center for more info.
To Upgrade to Windows 10, Make sure that you have: