I manually updated my Windows 10 Pro 1511 to 1607 on September 5th. My memory of the upgrade procedure is a little vague but I believe I went to and was given the option to download the anniversary edition, which I did. The file was named Win10_English_x64.iso. The upgrade was successful but it wasn’t long before I noticed that Cortana was missing from my Start menu. It wasn’t until a few days ago that I noticed that my windows edition that shows on the System panel is Windows 10 Pro Education instead of Windows 10 Pro. I also learned that Cortana is not included with the educational edition. My original copy of Windows 10 Pro was an OEM version that I acquired from BargainValley.com. I wonder what could have happened to have downgraded me to the educational version, and will I have problems re-installing my original version and upgrading again. I just downloaded a new version of the iso and notice that it is named Win10_1607_English_x64.iso which is different from the one that I downloaded.
No, I didn’t do an image backup before installing. I do use Crashplan and and File History to do regular incremental backups.