If this was a request for a "proper piece" of code to handle such downloads, it typically involves accessing the app's local cache directory. About status | WhatsApp Help Center

Note: You may need to enable "Show hidden files" in your manager settings to see the .Statuses folder. :

Open your file manager and navigate to Internal Storage > WhatsApp > Media > .Statuses .

Open the status in WhatsApp and use the built-in feature from the Control Center to capture it.

If you are trying to find or save this specific video, note that WhatsApp statuses expire after and are not archived by the app. To save a video before it disappears: Android File Manager :