Below is a list of prior versions of Techtool Pro and their supported version of the Mac operating systems (macOS)
TechTool Pro 20 – Released July 2024
- macOS 15 ‘Sequoia’
- macOS 14 ‘Sonoma’
- macOS 13 ‘Ventura’
- macOS 12 ‘Monterey’
- macOS 11 ‘Big Sur’
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
TechTool Pro 19 – Released February 2024
- macOS 14 ‘Sonoma’
- macOS 13 ‘Ventura’
- macOS 12 ‘Monterey’
- macOS 11 ‘Big Sur’
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
TechTool Pro 18 – Released July 2023
- macOS 14 ‘Sonoma’
- macOS 13 ‘Ventura’
- macOS 12 ‘Monterey’
- macOS 11 ‘Big Sur’
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
TechTool Pro 17 – Released January 2023
- macOS 13 ‘Ventura’
- macOS 12 ‘Monterey’
- macOS 11 ‘Big Sur’
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
TechTool Pro 16 – Released August 2022
- macOS 12 ‘Monterey’
- macOS 11 ‘Big Sur’
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
TechTool Pro 15 – Released December 2021
- macOS 12 ‘Monterey’
- macOS 11 ‘Big Sur’
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
TechTool Pro 14 – Released April 2021
- macOS 11 ‘Big Sur’
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
TechTool Pro 13 – Released August 2020
- macOS 11 ‘Big Sur’
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
TechTool Pro 12 – Released December 2019
- macOS 10.15 ‘Catalina’
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
- Mac OS X 10.10 ‘Yosemite’
TechTool Pro 11 – Released February 2019
- macOS 10.14 ‘Mojave’
- macOS 10.13 ‘High Sierra’
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
- Mac OS X 10.10 ‘Yosemite’
TechTool Pro 10 – Released June 2018
- macOS 10.13 ‘High Sierra’
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
- Mac OS X 10.10 ‘Yosemite’
TechTool Pro 9.6 – Released December 2017
- macOS 10.13 ‘High Sierra’
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
- Mac OS X 10.10 ‘Yosemite’
- Mac OS X 10.9 ‘Mavericks’
- Mac OS X 10.8 ‘Mountain Lion’
TechTool Pro 9.5 – Released May 2017
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
- Mac OS X 10.10 ‘Yosemite’
- Mac OS X 10.9 ‘Mavericks’
- Mac OS X 10.8 ‘Mountain Lion’
TechTool Pro 9.0 – Released June 2016
- macOS 10.12 ‘Sierra’
- Mac OS X 10.11 ‘El Capitan’
- Mac OS X 10.10 ‘Yosemite’
- Mac OS X 10.9 ‘Mavericks’
- Mac OS X 10.8 ‘Mountain Lion’
TechTool Pro 8 – Released March 2015
- Mac OS X 10.11 ‘El Capitan’
- Mac OS X 10.10 ‘Yosemite’
- Mac OS X 10.9 ‘Mavericks’
- Mac OS X 10.8 ‘Mountain Lion’
TechTool Pro 7 – Released June 2013
- Mac OS X 10.10 ‘Yosemite’
- Mac OS X 10.9 ‘Mavericks’
- Mac OS X 10.8 ‘Mountain Lion’
- Mac OS X 10.7 ‘Lion’
- Mac OS X 10.6 ‘Snow Leopard’
TechTool Pro 6 – Released March 2011
- Mac OS X 10.8 ‘Mountain Lion’
- Mac OS X 10.7 ‘Lion’
- Mac OS X 10.6 ‘Snow Leopard’
- Mac OS X 10.5 ‘Leopard’
TechTool Pro 5 – Released December 2008
- Mac OS X 10.8 ‘Mountain Lion’
- Mac OS X 10.7 ‘Lion’
- Mac OS X 10.6 ‘Snow Leopard’
- Mac OS X 10.5 ‘Leopard’
- Mac OS X 10.4 ‘Tiger’
TechTool Pro 4.6 – Released November 2007
- Mac OS X 10.5 ‘Leopard’
- Mac OS X 10.4 ‘Tiger’
TechTool Pro 4.5 – Released July 2006
- Mac OS X 10.4 ‘Tiger’
TechTool Pro 4.1 – Released December 2005
- Mac OS X 10.4 ‘Tiger’
- Mac OS X 10.3 ‘Panther’
TechTool Pro 4.0 – Released November 2003
- Mac OS X 10.4 ‘Tiger’
- Mac OS X 10.3 ‘Panther’
TechTool Pro 3 – Released August 2000
- Mac OS 7.5.5 through Mac OS 9.2.2
