TechTool Pro 4.5.3 Updater

Version 4.5.3
File Size 25.6 MB
Release Date: 7/18/2007

Description: This updater will ONLY update TechTool Pro 4.5.1, 4.5.2 to version 4.5.3. This updater is capable of updating the TechTool Pro 4 application that resides on the eDrive volume. TechTool Pro 4 owners are eligible for upgrade pricing to the current version of TechTool Pro by contacting our sales department by email to


  • Updated Volume Structures and Optimization routines.
  • Updated Volume Journaling feature for Intel-based Macs.
  • Integration of the TechTool Pro 4 Security Patch.
  • Added compatibility for new Macintosh models up through June 2007.
  • Other minor changes and feature enhancements.

 Version 4.5.1 and above requires Mac OS X 10.4 (Tiger)

For complete change list, see the ReadMe file.

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