I recommend Piriform’s CCleaner program as a one-stop troubleshooting step for slow performance. This handy program will find and get rid of trash and temporary files and is completely customizable. Run it regularly to maintain your machine, then run the Registry Cleaner afterward. Be sure to back up your registry first – it gives you this option before the cleaning begins.
The best part about CCleaner is that it is free! Try it at the following link: