• Step 1
Restore your desktop once a month by holding down the Command and Option keys when you restart your computer. Press the keys until the PC ask for do you want to restore your desktop and then click on OK.
• Step 2
Eliminate the fonts you never use. And open the Fot folder in the system folder and drag the fonts out.
• Step 3
With the help the Extensions Manager control panel and switch off the system extensions whichever you don't need. For example, if you're not on a computer network and don't have a printer, you can switch off printer drivers and file-sharing extensions.
• Step 4
Purchase and install speed-increasing software, such as SoftwareFPU from John Neil & Associates, Speed Doubler from Connectix, and Norton Utilities from Symantec.
• Step 5
If your system is operating very slow to open application add a additional RAM to your computer.