CCleaner remains one of the most famous names in PC optimization. While the Pro version requires a paid key, the free version includes the core optimization engine.
: Disable unnecessary programs that launch on boot in the Task Manager to improve boot times [1].
Open Task Manager ( Ctrl + Shift + Esc ) and disable unnecessary startup items.
Is your PC experiencing a specific issue like or slow startup times ?
CCleaner is arguably the most famous PC cleaner. The pro version includes automatic cleaning, browser cleaning, and real-time protection.
Computer Science, Information & General Works 
Philosophy & Psychology 
Religion 
Social Sciences 
Language 
Pure Science 
Applied Sciences 
Art & Recreation 
Literature 
History & Geography