Newer versions (v6.0 and up) include a "Performance Optimizer." It detects apps running in the background and puts them into until you actually open them, saving your RAM and CPU for the tasks you are actually doing.

: With one click, it clears out the "clutter" that accumulates from web browsing and system processes. 3. Custom Clean (For Advanced Users)

: Always click "Yes" when it asks if you want to back up the registry before fixing. If something goes wrong, you can just double-click that backup file to restore your settings. 5. Managing Startup Apps

CCleaner is famous for its Registry cleaner, which removes leftover entries from uninstalled programs.

When you open CCleaner, the first screen is usually the . Analyze : It scans for trackers (cookies) and junk files.

: This is great for clearing out massive caches from browsers like Chrome or Edge without losing your saved passwords (just make sure "Passwords" is unchecked). 4. The Registry Cleaner (Use with Caution)