• On Android's exclusive download centre Play Store – older versions of WhatsApp are not available. As a result, the software would have to be obtained through a 'unknown' third-party source. As a result, you'll need to enable installation from unknown sources in order to continue. Select Security, find Unknown sources, and then 'Allow installation of software from unknown sources' under Settings > Apps.
• Make a Google Drive backup of your chats: Open WhatsApp and go to Settings > Chat > Chat backup (menu icon). Then follow these steps to delete WhatsApp from your phone: Uninstall WhatsApp by going to Settings > Apps > WhatsApp > Uninstall > (Action to Confirm)
• Go to this page and type 'WhatsApp' into the search bar before clicking the search icon. Click the download icon next to the WhatsApp version you want to use in the search results. To finish the Whatsapp apk download, follow the on-screen instructions.
• On your device, go to Downloads/My Files. Tap on the WhatsApp.apk file that was just downloaded. Allow the procedure to run by tapping Install.
• Open the app after it has been installed and follow the on-screen instructions to finish the setup.

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