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Beginning with SOS 2004, the application disks can use the curriculum that came with it and older subjects going back as far as 2003. You should only use the newest SOS application disk. Consult the following list for which versions of the subjects you can use.
The 2003 application disk can run 2003 subjects.
The 2004 application disk can run 2003 and 2004 subjects.
The 2005 application disk can run 2003, 2004 and 2005 subjects.
The 2006 application disk can run 2003, 2004, 2005 and 2006 subjects.
The 2007 application disk can run 2003, 2004, 2005, 2006 and 2007 subjects.
The 2008 application disk can run 2003, 2004, 2005, 2006, 2007 and 2008 subjects.
The 2009 application disk can run 2003, 2004, 2005, 2006, 2007, 2008 and 2009 subjects.*
The 2010 application disk can run 2003, 2004, 2005, 2006, 2007, 2008, 2009 and 2010 subjects.
* The 2009 version of SOS does not support the older version of the games in SOS that use Shockwave. If you use the 2008 and older versions of the curriculum, you will not be able to access the games Alpha 14 or Spelling Bee. The SOS 20101 is able to play the games.
If you have a 1.0 subject disk, you can run it from the application that can be installed from the A Disk. As of May 31, 2006 we no longer are able to provide support for SOS 1.0 (2002 and earlier). Click here for more information on SOS 1.0.