If you are looking for a way to use Avast Antivirus without paying, you do not need to use "cracks" or illegal activation keys, which often contain malware. Instead, the most secure and effective "proper piece" for your software is to use the official or its modern successor, Avast One . Official Free Options
: Files labeled as "cracks" or "keygens" are frequently infected with malware that can steal your data or damage your system.
: For newer versions of the software, you no longer need to register or provide an email address to use the free antivirus protection.
: You can use the free version indefinitely. If you receive a notification that your "subscription" has expired, you can simply click Renew within the app settings and select the Avast Free Antivirus option again.