Glary Utilities Pro is an easy to use but fully featured. It contains a number of tools for boosting up Windows PC, e.g. disk cleaner, browser cleaner, application cleaner, registry cleaner, registry optimizer, duplicate finder, file shredder, file splitter and many other tools for system maintenance. The software also has a software update checker to notify you about backdated softwares that can pose threat to your system. The user interface is carefully designed for easy navigation to different modules and even advanced settings.
Glary Utilities Pro costs 40 USD for a single lifetime license.