Go to the Download Windows 10 ***or ***https://click.linksynergy.com/deeplink?id=0JlRymcP1YU&mid=24542&murl=https%3A%2F%2Fwww.microsoft.com%2Fen-us%2Fsoftware-download%2Fwindows10&u1=cnet%7C0f8ac956-f619-471d-a352-4b0ad54c482f"]Alt-Link
Under Create Windows 10 installation media, click Download tool now & Run.
Choose Upgrade this PC now & Follow the prompts
When the upgrade is complete, go to Settings Update & Security > Activation, and you should see a digital license for Windows 10!
**It took maybe 2 hours on a plugged in i7-4600u CPU @2.1ghz with 16gb RAM laptop with Windows Pro. **
It went through a download, an update, then I had to restart the install from Downloads and it did the rest. Several restarts happened on its own but only 1 extra log-in. I did the upgrade as Admin.