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My MacBook Pro(Snow Leopard) runs slowly everyday, I want to know all the possibilities of cleaning up the unnecessy files and folders generated by the machine backup or whatever. I would like it to be when it's first purchased. What could I do?

Edit: Offcourse I understand that I installed a lot of softwares and stuffs. But is there any general guidance on what can be done to make my Mac run faster?

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I sometimes use CleanMyMac, but mostly to get rid of leftover / temp files.

How much free RAM do you usually have? If you are short on memory, adding some could help.

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I'd run applejack. You probably need more RAM if you have a lot of programs running.

Exact machine type would indicate RAM type used (like at and upgrade options available.

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