When your computer registry is full with a junk, your computer goes slow. all you need to do is to install this software and do registry cleaning. Wise Registry Cleaner is the best free registry cleaner and optimizer. It works with a very safe way to clean the registry.
It is able to detect Registry entries that may be dangerous to delete, and which are safe to delete, so you can differentiate between those, it will show you. it also lets you choose which entries to delete, and which to keep. For safety’s sake, it can also back up your Registry before scanning, so that you can restore it, if the program causes any problems.