Doing a simple search on the internet for computer clean up software yields dozens of programs, some freeware, some shareware and others commercially available. The questions is how do you find the right one for you? You could spend a lot of time researching each of these options. Maybe you even had a friend recommend one. You can also find some registry cleaner sites that give overviews of some products. You want to make sure that you find a cleaner that works on your machine and fits your budget.

Now there are some things that you can do to help clean up your computer. If you are computer savvy, chances are that you will be able to successfully remove some of the malware that affects your machine. But you probably don't want to try optimizing the registry by hand. The registry controls everything installed on your computer and how they interact. If you make even a minor mistake when editing the Windows registry you can easily cause system crashes which may need total system reinstalls. You don't want to mess with the registry.

For any software you're considering you want to make sure at a minimum it can perform a deep scan of the registry and remove all traces of any uninstalled applications including DLL files and corrupted entries. If you take care of your registry your operating system will be able to run more smoothly. Running your registry cleaner regularly will keep your PC running like new.

A final consideration is the price. Perhaps more than in any other field, with registry cleaners you get what you pay for. By avoiding the free options you will tend to get many more features and better support if you run into any problems. This registry cleaner review site has reviews on some popular options that all offer a free system scan.