It’s a simple process. You can follow the below steps: 1. Just Open the official WhatsApp app. 2. Open Settings, and Go to Chat Settings. 3. Click the Create Backup button that’ll take some time, and create an entire backup of your Chats + Media. 4. Install the GB Whatsapp APK following the above installation steps. 5. Open the app, and follow the verification steps. After completing the verification, the app will ask you for a Chat backup, and now you can employ that backup.