HT206886: How to get macOS Sierra

Learn about How to get macOS Sierra
SteveUSC

Q: QuickTime and El Capitan - Stopped working

El Capitan is running well.  But quicktime is stating it needs an upgrade?  I cannot find an upgrade anywhere.

Mac Pro, OS X Mountain Lion (10.8.2)

Posted on Oct 9, 2015 8:55 AM