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TechTool Deluxe from Micromat is a powerful diagnostic utility that allows you to test your computer's critical system components, such as the processor, RAM (random-access memory), VRAM (video random-access memory), the hard disk, and more. TechTool Deluxe can also repair your computer's disk structure and rebuild its directories as necessary.

What's New

Version 3.1.4:
  • Full OS X 10.7 Lion compatibility


  • Mac OS X 10.4 or later
  • AppleCare Protection Plan (Mac).

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TechTool Deluxe User Discussion

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Current Version (3.x)


Downloads 65,076
Version Downloads 31,194
Type Utilities / System
License Commercial
Date 14 May 2012
Platform OS X / PPC 32 / Intel 32
Price Free
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