Yes, there are several free programs that can help to speed up your PC. CCleaner is a popular free program that can help to clean up junk files and optimize your system for improved performance. Avast Cleanup is another great option for comprehensive PC maintenance. Advanced SystemCare Free is another program you might want to consider which helps with cleaning, optimizing, and protecting your computer. Malwarebytes is also a great choice for removing viruses and other threats from your PC.