1. Visit the Official Website: Go to Avast VPN's official website. This is the primary source for updates and versions.

2. Identify the Latest Version: Check the version history. The latest version available is Avast VPN 2.48.

3. Changelog and Updates: Review the changelog for the latest version (2.48) and older versions (2.45, 2.46, 2.47) to see new features and improvements. Look for updates, security enhancements, and performance improvements.

4. Platform Availability: Note that Avast VPN is available on iOS, Android, and Windows. Check if there have been any major updates for each platform.

5. Security Features: Look for any new security features in the latest version, such as enhanced privacy settings, improved HTTPS support, and new ad detection methods.

6. Latest Version Updates: Visit the release notes for the latest version to find specific updates, such as new privacy options or performance improvements.

7. Platform Availability: Check if the latest version is available on all platforms, and if there have been any major updates for each.

8. Security Concerns: Review any recent security patches or updates addressing ad blocking strategies.

By following these steps, you can gather comprehensive information about the latest version of Avast VPN, including new features, security updates, and platform availability.