clean mac

I would like to know if anyone can recommend a Local (west Covina CA.) independent technician that can clean up my Macbook Pro, I would like to remove unused apps and duplicate photos etc to get my MB, running like new again. Thanks in advance for your responses Rob

Hi, I unwittingly downloaded & seemingly installed something called 'World of Tanks' - which I'd never heard of. I don't want it but can't delete it. When I drag the icon from the app folder to the trash I get prompted to enter my password to 'enable changes' - which I don't do of course I've...