Thank you Charles and Guessed. I don't think I had accidentally changed anything. I just installed the program and was using it for the first time. I finally found a Microsoft Help Chat and got a nice guy there who tried several things and finally had me go into File --> Options, and set up the keyboard shortcuts for Home and End (End of Doc and Start of Doc). Those came already set up on my prev software, and he evidently expected it to be in this case, but it wasn't.

He also told me I would not have to sign in everytime, so I don't know why I did this time. Glad I did though, because I doubt I would have found the Chat link if not for signing in.

All is well now. So kind of you both to take time to try to help me.