You can achieve similar (or better) results using these trusted, free tools:

: Open Task Manager (Ctrl + Shift + Esc), go to the Startup tab, and disable apps you don't need immediately.

: Many "cracked" files are actually "Trojans" that give hackers access to your personal files and passwords.

: Go to Settings > Apps > Apps & features and remove programs you no longer use.

: Modified software often causes system crashes and registry errors, the very things you are trying to fix.

If you specifically want Avast Cleanup Premium features like "Automatic Maintenance" and "Browser Cleaner," the safest route is to use their official trials or discounts:

: Cracked versions don't receive official security patches, leaving your system vulnerable to new threats. Top Free Alternatives to Avast Cleanup Premium

: The industry standard for removing temporary files and cleaning up your browser history safely.