Shredder Chess 7

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premio53

I have had a copy of Shredder Chess 7 lying around for several years and have hardly used it since it requires a CD to run.  I'm just now realizing that it has "Natural Language Advice" similar to Chessmaster and actually better under "Explain All Moves." 

Does anyone know if the editions after Shredder 7 require a CD to play?  I may consider buying a new version if they don't.  Thanks for any help.