Reports from 2019 suggested it required slightly more memory than its predecessor. Fixes: Resolved issues with SmartScan sticking at 50%. Activation and License Keys
Secures personal files from being encrypted.
Changes to the user interface to enhance navigation.
Blocks suspicious attachments and phishing emails.
This specific version (released around September 2019) is a legacy version. It was noted for introducing:
You can transfer subscriptions to new devices (up to 10) through your Avast account . Why Choose Official Premium Security (2026)
Based on the request for a useful post regarding Avast Premium Security 19.8.2393, the following information outlines the key details of that version, how to activate it, and important security considerations regarding licenses.