Great service!
I received my new Key code in just a few minutes after ordering. At first, I didn't think it was working and asked for a replacement, but customer service replied in a few minutes that I was not performing the upgrade in the correct manner, and gave me detailed step by step instructions on how to perform my upgrade from Windows 10 Home to Windows 10 Pro. I followed their instructions and everything worked perfectly. I'm very happy with their product and their service.