OS X 10.9 Mavericks Part11

http://support.apple.com/kb/DL1725?viewlocale=ja_JP
http://support.apple.com/kb/DL1726?viewlocale=ja_JP
のどっちか選んで入れたらいい。

どう違うのかは↓
http://support.apple.com/kb/HT4567?viewlocale=ja_JP