: Ensuring stability with macOS 10.12 Sierra and early versions of macOS 10.13 High Sierra.
: Monitors the S.M.A.R.T. status of internal drives to warn you of potential physical failure before it happens. Version Context TechTool Pro 9.6.1 Build 3523
: Tests components like the processor, RAM, and video memory to identify hardware failures. : Ensuring stability with macOS 10