how to install Design_compiler_2008.09

I have download this files, How to find installer & How to install it?

Design_compiler_2008.09_linux.rar
http://rapidshare.com/files/218935958/Design_compiler_2008.09_linux.rar
Design_Compiler_2008.09_common.rar
http://rapidshare.com/files/218944078/Design_Compiler_2008.09_common.rar

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xiexiejiangjie！

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