This article explains how to download and install the latest version of the WhatsApp Messenger app from the App Store using an iPhone or iPad.
Steps
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Step 1. Access the App Store on iPhone or iPad
Tap the corresponding icon
displayed on the device home to access the App Store.
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Step 2. Select the Updates tab displayed at the bottom of the screen
It features a square icon with an arrow pointing down. You will see a list of all available updates for the apps installed on your device.
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Step 3. Scroll down the list until you find the WhatsApp Messenger app within the "Available Updates" section
The WhatsApp app is characterized by a green icon inside which a white balloon with a telephone handset is visible.
If the WhatsApp app is not present in the "Updates available" section, it means that you already have the most updated version of the program available
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Step 4. Press the Update button next to the WhatsApp Messenger app
This way the latest version of the program will be downloaded and installed on the iOS device.