how to update your mac software from 10.9.5 to 10.11.4

It will get to 100%, then do a few final items to complete the installer and make it bootable. Some flash drives will be slow, maybe 30 minutes. Then, you will see some numbers appear, showing the progress of the command. It will work.įinally, the terminal will ask you to press 'y' to start the command that you just typed, so type Y, and press enter. Do that, you will NOT see what you type (it's a security feature, just type your password, then press enter. You will be asked to enter your admin password. You will see that disk, with its path, added to the line you have been typing.ĪND, press enter. Now, find the icon for your flash drive (the one you just erased. (notice there are TWO dashes, not just one) Requires an iPhone with iOS 8 or later and an activated carrier plan.

Next, type -volume, and add one space to that. Requires an iPhone or iPad with a Lightning connector and iOS 10 or later. You will see the full path to that file appear next to sudo. Launch your Terminal app, then type sudo, and add a single space.įrom the Resources folder that you left open, drag the file 'createinstallmedia' and drop it on your terminal window. Open the Library, then open the 'Resources' folder. Right click on that installer app, and choose 'Show Package Contents'. The Catalina installer app (Install macOS Catalina) should be in your Applications folder. Make sure it is formatted Mac OS Extended (journaled), and the partition Map is 'GUID' Erase that thumb drive, using your Disk Utility.

How to update your mac software from 10.9.5 to 10.11.4