TechTool Pro 9.5.3 Released

Version 9.5.3
File Size 170 MB
Release Date: 9/21/2017 

How to apply this update: To perform this version update, launch an installed copy of the TechTool Pro 9 (Version 9.5.1) application and select the Check For Update… option located under the TechTool Pro 9 menu. To update an existing eDrive, boot to the eDrive and perform the Check For Update. Users who have purchased from this site may login to their account to download up-to-date versions of TechTool Pro, other users may access a direct download by registering their serial number.


  • Fixed incorrect processor speed reporting for Macs running higher than 4 GHz.
  • Updated manufacturer database for the Local Network tool.
  • Updated French, German, Italian, Japanese and Chinese (Simplified) localizations.
  • Updated location and computer identification strings for Check Computer.
  • Other enhancements and improvements.

For complete change list, see the ReadMe file.

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