But quitting these apps speeds up background processing. These apps display in the menu bar at the top right of the desktop, and, therefore, you can overlook them. Some of the apps run in the background (commonly, they are services). Note that not every running program displays in the Dock. You can also use the Application Switcher to see what apps are open. Now Ctrl+click the icon for the program that you don’t need at this moment, then choose Quit. An open app has a white dot below its icon. You’ll see how many applications your Mac is currently running (see also the next paragraph). So to speed up your computer, quit the unused apps: Open the Dock and look there at the icons. Some of the programs are very “processor intensive”. Too many apps slow down the Mac, if they are running simultaneously, as they all jostle for processor attention and memory. If you think that you could use some of the files in the future or are just unsure about their destiny, you can move rarely used programs to an external hard drive instead of deleting them. After you have deleted all the items you don’t need anymore, empty the Trash bin (click ᴂ+CLICK on the Trash icon to open the Trash, then choose Empty Trash). So if you delete any folder, file, program you don’t need will speed up your computer. The hard drive runs faster when you have less clutter on it. How to Clean Up Mac OS X How to Slim Down the Hard Drive 1.6 How to Remove Old Code, Fonts and Languages.1.5 How to Clean Out Unused System Preferences.

How to clean up mac apps