Stage One Placing Up Your DeviceBefore downloading WhatsApp, make sure that your system is ready. Check that your phone has enough free storage area for a fresh app. How big the WhatsApp app differs somewhat relying in your operating system, whatsapp網頁版 however you will an average of require at least 100MB available. Ensure your phone is connected to a stable Wi-Fi network or has a dynamic cellular knowledge relationship in order to avoid interruptions.