Instant File Deletion - If you want to delete a file and want to bypass the Trash Can on the Mac that saves files before deleting them, just select a file and press Option + Command + Delete at the same time.Clean Up Your Desktop - For those with macOS Mojave or later, on a messy desktop, just right click and choose 'Stacks' to have your Mac automatically organize everything by file type.To go back, just hold Command and press the up arrow key. Quickly Open Folders - To open up a folder in Finder or on your desktop, hold Command and press the down arrow key.Switch Between Multiple Desktops - If you use multiple desktops, you can swap between them quickly by pressing the Control button and then either the left or the right arrow.Cycle Between App Windows - If you have multiple windows open for an app like Safari, you can swap between those open windows using Command + the Tilde (~) key.Hide All Windows - You can hide all of the windows except for the window for the app you're currently using by pressing Option + Command + H.The app will disappear into the background, but you can get it back by clicking on the icon on the dock or using Command + Tab. Hide a Window - To quickly hide a window on the desktop, just press Command + H.From there, the Hot Corner won't activate unless you're holding down the Option key. Advanced Hot Corners - If you want to use Hot Corners but have found yourself accidentally activating features, hold down the Option key when setting up a Hot Corner.Set them up in System Preferences > Mission Control > Hot Corners. You can set tasks that will happen when your mouse hovers in a specific corner, like launching Mission Control, showing the desktop, and more. Hot Corners - If you don't already use Hot Corners, they're worth checking out.Close Apps From App Switcher - When you're in the Command + Tab view, press the Q key with command held down to close an open app.

Let go when the app you want is highlighted. Keep holding down the Command key and then press Tab to cycle through the open apps.

Swap Between Apps - To switch between your open applications, press Command + Tab.

Spotlight can do all kinds of things, from locating files to answering basic questions to solving math problems. Activate Spotlight for Searching - To bring up a handy search interface that will let you find files on your Mac, just use Command + Space.Subscribe to the MacRumors YouTube channel for more videos.

Setting up a macbook air