Example for (Oct 2023): https://www.apkmirror.com/apk/whatsapp-inc/whatsapp/whatsapp-2-23-16-78-release/

https://www.apkmirror.com/apk/whatsapp-inc/whatsapp/whatsapp-<version>-release/

Here’s a for the query: "go share whatsapp link download old version"