Primarily Microsoft rolled out the upgrade by making use of the Get Windows 10 app that emerges in the taskbar like notification icon in Windows update. And with the end of the free upgrade offer, get Windows 10 app is not longer available. So the user who want to upgrade to Windows 10 on a device that won’t have license for that version require to provide a product key for the new version.
From the third party sellers Windows 10 is available for purchase and also from Microsoft itself, through the Microsoft Store. The cost of Windows 10 Home is $120, and Windows 10 Pro is $200.
Well, if you are already having a Windows 10 product key or a digital license, then you can download the latest Windows 10 installer files making use of the Media Creation Tool. This is a free download that creates bootable USB flash drive or an ISO file that can be directly mounted or burned to a bootable DVD.