How to upgrade to Windows 10 over USB

[Windows Central]

Whether you just can't wait for the Windows Update app to handle your upgrade automatically, or you're having some other issue getting it to work, we're going to help you get to Windows 10 with a USB stick alone.
If you're installing on a fresh machine or you want to wipe your current one prior to upgrading, be sure to read our guide on how to do a clean install of Windows 10. What we're doing here is a bit more straightforward, though very similar, and still not quite as easy as using the automated tool. If you can't get it to work, try these tips on fixing the Get Windows 10 app before going the USB route.

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