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TechTool Pro 8 is the most robust hardware diagnostic tool available for Macintosh. Easy to use for both home users and professionals, TechTool Pro utilizes full 64-bit compatibility to keep your Mac running at its best. TechTool Pro 8 brings with it some of the deepest hardware testing yet - testing components on your motherboard that no other utility can access. You can now test the sensors and fans on your Mac, along with the battery if you're using a Mac laptop. In addition, we've now integrated Protogo, so that you can create your own custom test drives for out in the field.

You can now take it with


What's New

Version 8.0.5:

Note: Owners of earlier versions of TechTool Pro can upgrade to version 8 for $39.99.

  • Fixed a reported application crash at launch
  • Updated Bonjour service names for the Local Network tool
  • Updated location and computer identification strings for Check Computer
  • Other improvements and enhancements


  • OS X 10.8 or later

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TechTool Pro User Discussion

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3 573


Current Version (8.x)


Downloads 1,582,852
Version Downloads 2,867
Type Utilities / System
License Updater
Date 27 Jun 2016
Platform Intel 64 / OS X
Price $99.99
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