Official Avast license keys valid until 2048 do not exist Avast subscriptions are generally sold on a yearly or multi-year basis (1, 2, or 3 years). Keys claiming to be "official" with long-term expirations like 2048 or 2050 are typically pirated, modified, or associated with high-risk software. Risks of Using "Until 2048" Keys Security Vulnerabilities:
: Open the app, go to Settings or Upgrade , select Already purchased? , and choose Redeem an activation code or Enter subscription code . Important Safety Tips
Using unauthorized keys is software piracy. Avast actively blacklists fraudulent keys, often within days.