Macros can be installed in a few different ways. The simplest way is to go to the "System Preferences" application and click on the " Keyboard " tab. There, you will see a list of available keyboard shortcuts. One way to install macros is to type the command " hold down the 'command' key and press 'space' ." This will open up a menu which will allow you to select " Install New Keyboard Shortcut ." From there, you can search for " macro ".