Five Steps to Speed Up OS X
Even though the latest OS X release is usually faster than the one before, some users might feel that their Mac is unusually sluggish.
If you are one of them, I have a number of steps that you could go through to make sure that OS X is as fast as possible on your Mac.
Once you go through all of the five steps described below, your Mac will feel nimbler, and your apps will launch faster and feel a lot snappier than before.
Step 1 – Reduce transparency