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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 more...

What's New

Version 8.0.4:

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

  • Support for new MacBook (Retina, 12-inch, Early 2016)
  • Improved support for Retina 5K, 27-inch, Late 2015 - Memory Test stage display and SPD Data window
  • Support up to 12 memory module slots in SPD Data window
  • Support for processor speeds up to more...


  • OS X 10.8 or later

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3 574


Current Version (8.x)


Downloads 1,579,935
Version Downloads 3,452
Type Utilities / System
License Updater
Date 13 May 2016
Platform Intel 64 / OS X
Price $99.99