You can use software to create a ringtone from your song; for detailed steps on how to do that, check out the AVCWare Ringtone Maker (Windows) and GarageBand (macOS) sections discussed earlier in this article. Once you have your new ringtone saved to your phone, set it as default for WhatsApp notifications: 1. Launch WhatsApp. 2. Tap on the three-dotted menu at the top-right. 3. Select “Notifications” > “Notifications tone.” 4. From “Choose an Action,” select “Media Storage.” 5. Select your custom ringtone to set it as default. Then to set your custom ringtone as default for WhatsApp calls: 1. From the “Notifications” screen, select “Ringtone” under the “Calls” section. 2. From “Choose an Action,” select “Media Storage.” 3. Select your custom ringtone to set it as default.