One of the easiest way to do it is to use CCleaner — and right now CCleaner ... were supposed to be removed but stuck around.
This free registry cleaner can also free up loads of hard drive space CCleaner tops our list of free registry cleaners for several good reasons. It is completely free and works with all versions ...
All those half-downloaded files and old drivers can really bog down performance. However, just because your computer is slowing down doesn't mean it's time to replace it. With CCleaner ...