There are plenty of registry cleaning programs that will help you to tweak and speed-up your operating system.
Registry utilities would be helpful when you need to optimize your system, delete all of the unwanted registry entries, and remove junk files, cache and old files. The most of them have a convenient search and scanner that checks registry errors and issues. When the scanning process is over, you can clean broken registry entries and junk files from the result list. Besides, some of the utilities will ask you about saving a copy of your registry before deleting data. Then you can resolve the found issues. That will help to boost memory and speed up your PC.
The section includes as free as paid registry cleaner utilities. Use them to remove outdated registry entries and junk files.