We tried to download Final Cut Pro on our Mac Book but were unsuccessful. Is there a way to do it? Or can you recommend another video editing program for her Mac Book that would be an upgrade from iMovie?
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Can you tell me of some good alternatives to iMovie?

Final Cut is available only through the Mac App Store. You can find the App store in the applications folder on your Mac. It is possible that the version of the operating system you have installed on your computer may be older than what Final Cut currently requires. The Mac App Store will tell you if this is the case prior to purchasing.

If you'd rather go with a different option, Adobe Premier Elements is a good alternative and is less expensive. There's also a free trial available.

Davinci Resolve has a free version as well that's worth checking out.

Scotty

This annoying “1” has appeared on the calendar icons on all my computers after updating to Mavericks.  It looks like the kind of thing that is intended to warn or notify me of something.  However, I haven’t been able to figure out what I am supposed to do.  Can you tell me what I need to do to make it go away?

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The one on the calendar in the dock is letting you know that a date or event needs your attention in the main calendar. It could be an invitation or a reminder. Open your calendar on your mac and look in the top left corner. There should be a small symbol near the top left corner letting you know what the event is. By clicking that area, you’ll see what event wants your attention. Most of the time it is an invitation to a shared event between two people. After clicking it, you’ll be asked to accept the event or decline the event. After you’ve done that, the number should go away.