You can move your mouse over an app on your Apple Dock and press ‘Control’ click or right-click on it. Click the name and the drop-down menu should reveal an option to quit the app you selected. Click one, and its name should become visible in the macOS menu bar. Press the ‘Tab’ key again to switch between these apps. This launches the ‘app switcher’, giving a clear view of what apps are currently running on your system. To do this, press the Command and Tab keys on your keyboard, normally positioned under your left hand. One of the best things you can do is close down any apps that you don’t need to use, at least for the time being. We also go into some specific ways CCleaner’s software can help you out. From managing apps to checking your hard drive capacity, here are 4 things you can try out to help your Mac’s overall performance.