Hi. I'm trying to upgrade my Surface Pro to Windows 10. According to Microsoft, an icon should appear in the lower right. It doesn't. When I consult their knowledge base they say to make sure it's up to date. I run Windows updater and have all of the available updates installed. Still no icon. So I download their Install Windows 10 app. When I run it, it says I can't install and that the problem is that "Windows not up to date." So I try running Windows updater again, and it says that no more updates are available. Any ideas what's going on?