Stage One Placing Up Your UnitBefore downloading WhatsApp, make sure that your device is ready. Check that your telephone has enough free space for storage for a fresh app. How big the WhatsApp application varies slightly depending in your operating system, however you will typically need at the least 100MB available. Ensure your telephone is attached to a stable Wi-Fi system or whatsapp电脑版 has a dynamic cellular data relationship to prevent interruptions.