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TechTool Pro is a full-featured utility program containing options for testing and repair, maintenance (including disk defragmentation), and data recovery.
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A mysterious new application
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TechTool Deluxe measures the performance of your system to ensure all of your hardware parts are working correctly. TechTool Deluxe is included with AppleCare.
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A mysterious new application
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A mysterious new application
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A mysterious new application
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A mysterious new application
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A mysterious new application
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A mysterious new application
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A mysterious new application
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A mysterious new application
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A mysterious new application
TechTool Deluxe by Zhe: 
随Apple Care赠送的，与TechTool Pro差很多～
