If you're looking to Download WA Dual Messenger on your Chromebook laptop Then read the following guideline.

The Dual Messenger feature allows users to install two separate instances of the Whatsapp instant messaging app. Features: - Dual service on a separate line - Automatic distribution of incoming contacts - Multiple agents working via a company WhatsApp simultaneously SUBSCRIPTIONS - You can subscribe to a PRO account - Subscription options are 1-month, 1 week, and one year. - Subscription automatically renews for the same price and duration period as the original, "one week", "one month", "one-year" package unless auto-renew is turned off at least 24-hours before the end of the current period - Payment will be charged to iTunes Account at confirmation of purchase - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms of use: http://eleventhirteen.co/privacy