Note: TinkerTool System 4 requires OS X 10.10 Yosemite or later. It is a paid upgrade for users who purchased a license for TinkerTool System Release 2 before July 1, 2013 ($6.40). TinkerTool System Release 2 remains available and can be used on the operating systems Mac OS X Snow Leopard (10.6), Mac OS X Lion (10.7), OS X Mountain Lion (10.8), and OS X more...
- OS X 10.10 or later
- See the secondary link under Downloads in the links bar for TinkerTool System 2