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# Example usage is_valid = validate_license_key(license_key, expiry_date) print(f"Is license valid? {is_valid}") avira antivirus pro license key till 2099
: Once Avira's servers detect the same key being used by thousands of people, it is usually blacklisted, causing the software to stop updating or functioning. Risks of Using Illegitimate Keys If you lost your key, use the Avira