CCleaner Professional gives you access to CCleaner’s full power, so you can speed up Windows and enjoy a cleaner PC that lasts longer. Enjoy smart, automated cleaning of junk files from your PC set to a time or size threshold of your choice. Clear history and delete cookies from your web browsers automatically once you close them, so you get more control of your online privacy. This can help keep advertisers and websites off your back and stops your data from being used to increase prices on websites you regularly visit. As well as assisting with your PC’s security and speed by keeping software up to date and disabling startup programs, CCleaner Professional also lets you uninstall apps to save valuable hard drive space. You can even use it as a Registry cleaner for the Windows Registry to make your operating system more stable.