MAC BOOK PRO 17" Cleaning Question

Hello

I have a Mac Book Pro 17"

2.66 GHz

I7

8GB

OSX 10.9.5



My mac is a few years old now and still works great but i notice its a little slow lately .

What kind of maintenance should i do to keep it performing at its best.

Thanks for any advice.

via ehMac.ca http://ift.tt/1E2Jl4y