Advanced SystemCare is a comprehensive PC cleaner that offers a range of features, including junk file removal, registry cleaning, and malware protection. The free version of Advanced SystemCare requires a license key, but it's easy to obtain.

: Without a valid license, you miss critical security updates, leaving your PC vulnerable.

It fixes registry errors and cleans temporary files simultaneously with a single click. 5. Microsoft PC Manager

The free edition provides basic cleaning and internet speed optimization.

Always run Windows Storage Sense first, as it is perfectly optimized for your OS.

Over time, your computer accumulates junk files, temporary data, and other clutter that can slow down your system. This can be caused by: