The boxed version cost US$49 (equivalent to about $130 in 2023), and it was included with all new Macintosh computers until 1991, when it was succeeded by System 7.

As MacroMaker records only the locations of mouse-clicks inside windows and not what is being clicked on or exactly when, it can not be used to automate actions in more sophisticated programs.

[citation needed] Macintosh gained cooperative multitasking in March 1985 with Andy Hertzfeld's Switcher, which can switch between multiple full-screen applications.

With MultiFinder, the Finder does not quit to free resources, and the system behaves as in the still-familiar multitasking fashion, with the desktop and other applications' windows in the background.

[8] System 6 includes support for the Apple ImageWriter LQ and PostScript laser printers.

[14] This is inefficient and confusing, as the user cannot browse to the Desktop in applications besides the Finder, even within the standard Open and Save As dialog boxes.

[16] A maximum of 15 desk accessories may be installed at one time, including the Chooser, Scrapbook, and Control Panel.

[9] Initial releases of System 6 are unstable; Don Crabb of BYTE described 6.0 as "buggy and unreliable".

[23] Many third-party developers did not receive advance copies, resulting in widespread compatibility issues.

[24][25] However, a major bug involving the text-spacing of screen fonts was found, and was fixed in version 6.0.2,[25] which Crabb described as "a huge improvement" over 6.0.