If you were to update from Home to Pro, it would install the most current release of Windows 10 Pro (which includes the new updates) with the upgrade. You indicated the laptop came with Windows 10, correct? It should already have either Windows 10 Home or Windows 10 Pro installed. To upgrade, you do have to purchase Windows 10 Pro. The steps and other information can be found here:
To check what you have now, go to the search bar in Windows and type in “System Information”. Open the app, and the version and build will be at the top.