Internet recovery keys for mac

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To see what files are hogging your megabytes, try an app like Id-design’s WhatSize.

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Check vendor Web sites for apps you got elsewhere. Go to Apple  > App Store and click Updates to check for, and then download, new versions of software from the App store (including OS X itself).

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If force-quitting and restarting doesn’t stop your slowdown problems, you might need to do more:

Are you staring blankly at this chapter because you can’t even get your Mac to turn on? Try this: