Probably not. Reddit is flooded with "key dumps" that are immediately revoked. You are wasting your time.
Avast allows you to install your paid license on up to 10 devices. If a friend or family member has a legitimate subscription, they can legally (within their plan) generate a license file from their account and share it with you. This is the only "free" method that is ethical and safe. Avast Cleanup Premium License File
If you simply cannot pay, Avast offers a legitimate 30-day free trial of the Premium features. Probably not
A legitimate Avast Cleanup Premium subscription typically costs between $49.99 and $79.99 per year. For many casual users, paying $80 for a PC cleaner feels excessive when free alternatives like CCleaner (limited) or Windows Disk Cleanup exist. If you simply cannot pay, Avast offers a