TinkerTool System 5

TinkerTool System 5 was a collection of system utility features helping you in performing advanced administration tasks on Apple Macintosh computers running macOS Sierra and macOS High Sierra.

These legacy operating systems are outdated and should no longer be used for Internet communication. Distribution of this software stopped on May 3, 2023.

If you are a license holder and have lost your copy of TinkerTool System 5, you can still download the latest version.