But the registry cleaning part of it is just a drop in the bucket. Having said that, I'd echo alcolol's reply and recommend CCleaner since it is pretty smart about what keys it can remove and it also creates restore points. There are a lot of keys that registry cleaners won't touch because there's just no way without human intervention to determine if such keys are needed or not. CCleaner is an easy-to-use tool and the best choice for beginners or non-tech-savvy users. Now if you're the anal type that just wants things to be tidy then a registry cleaner may be a useful accessory but you are still going to need to do a lot of manual cleaning to be spotless. But nowadays with huge advancements in hardware even the most bloated registry is going to have negligible to no impact especially when compared to the bigger performance oppressors. This might have been true in Windows 95 days when everybody had 16mb RAM and a 120mb HD. This tool scans your Windows registry for registry keys that are of no use. If you're going by the myth that a dirty registry impacts system performance then you're probably overreacting. Max Registry Cleaner is a simple tool to clean up your PC and make it run faster.

First ask yourself why you're trying to clean it.

Best registry repair tools windows 7