TechTool Pro 2.5.4 Universal Updater

Version 2.5.4
File Size 6.6 MB
Release Date: 4/3/2000

Description: This update will update earlier versions of TechTool Pro 2 to version 2.5.4. After updating to version 2.5.4 we suggest that you update to version 2.5.5 using the free TechTool Pro 2.5.4 to 2.5.5 Updater. TechTool Pro 2 owners are eligible for upgrade pricing to the current version of TechTool Pro by contacting our sales department by email to


  • Enhanced detection and repair routines in Volume Structure.
  • Improvements in TechTool Protection control panel.
  • Improved Finder Info testing.
  • New Mac model compatibility.
  • Mac OS 9.0.4 compatibility.

For complete change list, see the ReadMe file.

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