If you are looking for free ways to manage and optimize your PC without the risks of pirated software, consider these official tools:

A safe way to batch-install popular free software without manual input. Windows management - Microsoft Community Hub

A free, official Microsoft app that cleans temporary files and optimizes memory.

The software is lightweight, requiring only about 100MB of space, and is fully compatible with Windows 10 and 11. The Risks of "Cracks" & "Serial Keys"