All editions of Windows 8.1 can be in-place upgraded to Windows 10. However, only retail editions of Windows 8.1 will receive the Get Windows 10 app delivered via Windows Update. Alternatively, Windows 8.1 computers can be upgraded to Windows 10 using the Media Creation Tool or directly from USB/DVD Media.
Before upgrading to Windows 10, it is recommended that you install all the available important Windows Updates. This will ensure a smooth upgrade process.