What do you do when a macOS update downloads, but then doesn’t install? Should you trust the app?
installer
Apple will be judged by its ability to surprise us with the new, revelatory, and enabling – which have become less frequent.
Another epic journey, this time to make an Installer package for my Blowhole command tool.
Sometimes the Sierra installer app fails, leaving you frustratingly still in El Capitan. Here’s what to do next.
How can you install older drivers or other software on a new Sierra system? Some practical tips for working through SIP and security protection.
The OS X update has just installed, and seems to have broken your Mac. What do you do next?
Using Installer to see what was installed, and manually removing the different components.
An app installed from the Mac App Store was faulty. How can I download it again?
For most apps which you install or update, there is extensive information about exactly what was installed. This article explains how to access that.
Among the new features of 9.1 was support for the burning of CDs in the Finder, and Finder support for switching between open windows.
The Eclectic Light Company 