Assuming you have verified the legitimacy of the update, follow this generic installation guide.
Disclaimer: This guide provides general steps for ACV diagnostic tools. Exact menus may vary slightly depending on your specific model version.
: Use the official App Store or the "Help > Check for Updates" menu within the application itself.
: Ensure you download the file from a reputable source. Verify the file size (1.85 MB) to ensure the download is complete.