Want to know all of the technical details about the model of Mac you are using? In macOS Sierra, go to the Apple menu and choose About This Mac. Then go to the Support tab. Then click on Specifications. This will take you to a webpage with all of the details about your model.
With Siri in macOS Sierra, you can set the volume to a very exact amount. Just tell Siri: “Set the volume to 57 percent” and she will set it to exactly that.
If you minimize windows often by clicking the yellow button at the top left corner of a window, you could end up with a lot of minimized windows listed on the right side of your Dock. Instead of having them all listed there, you can turn on the “Minimize window into application icon” option in System Preferences, Dock. You can still access these minimized windows by Control+clicking on the app in the Dock and selecting the window name.
If you ever see a window with no Close button at the upper left, but a Cancel button somewhere at the bottom, you can also close it by pressing the Esc key on your keyboard. Examples are: Print dialogs and Open dialogs. But Esc also works in some other places even when there is a close button, like the Preferences or About windows in apps.


















