Techtool Pro 9.6.1 Build 3523 May 2026

: Includes specialized tests for RAM (Memory) , Video Memory , Fans , and Bluetooth/Network Interfaces to identify physical hardware malfunctions.

: Creates a separate, emergency startup partition on your primary hard drive. This contains a bootable version of macOS and Techtool Pro, allowing you to troubleshoot or repair your main system volume without needing an external drive.

: Adds compatibility for newer hardware models like the 2017 iMac Pro. TechTool Pro 9.6.1 Build 3523

: A system preference pane that runs background tasks like periodic S.M.A.R.T. checks for hard drive health, volume usage monitoring, and Trash History , which can help recover accidentally deleted files.

: An advanced drive health assessment that includes an "Extended Health" table to predict potential hardware failure before it occurs. : Includes specialized tests for RAM (Memory) ,

: Repairs and optimizes the directory structures of HFS+ and APFS volumes. In version 9.6.1+, this includes improved support for FileVault-enabled volumes.

: Addressed crashes related to Volume Cloning and Wipe Data operations. : Adds compatibility for newer hardware models like

is a comprehensive diagnostic and maintenance utility for macOS, designed to provide hardware testing and data protection beyond standard system tools. Key Features & Capabilities