Tutorial for Sierra 10.12 has been moved to branch 10.12
https://github.com/wmchris/DellXPS15-9550-OSX/blob/10.12/Tutorial_10.12.md
Tutorial for High Sierra 10.13 has been moved to branch 10.13
https://github.com/wmchris/DellXPS15-9550-OSX/blob/10.13/Tutorial_10.13.md
Tutorial for Mojave 10.14 has been moved to branch 10.14
https://github.com/wmchris/DellXPS15-9550-OSX/blob/10.14/Tutorial_10.14.md
Tutorial for Catalina 10.15 has been moved to branch 10.15
https://github.com/wmchris/DellXPS15-9550-OSX/blob/10.15/Tutorial_10.15.md
Tutorial for Big Sur 11.0 has been moved to branch 11.0
https://github.com/wmchris/DellXPS15-9550-OSX/blob/11.0/Tutorial_11.0.md