Then they need to open the Update & Security window and search for Activation there. After getting the Microsoft 10 pro upgrade key, the users will need to select the Start button and open up Settings. The users can also buy it from the Microsoft Store. These steps require the users to get or buy a Windows 10 pro upgrade key to shifting to the pro version of the OS.Īccording to Windows, the users can only upgrade from Windows 10 Home to Windows 10 Pro and activate their device using a valid product key or a digital license for Windows 10 Pro. Because of a huge search trend around it, Microsoft themselves have posted some steps on their official blog that can help out these users. A number of users from all over the globe have been searching about the process to upgrade Windows 10 home to pro.