Tracking WhatsApp messages legally and without installing additional software on the target phone is extremely limited and usually requires the consent of the person being tracked. If you want to know how to track whatsapp chats on another phone, there are several legal methods that may be applicable in certain circumstances.
Tracking WhatsApp activity is a sensitive topic and must comply with ethical standards and legal regulations. You can't do this easily. Because WhatsApp always notifies its users of updates. If you can comply with all of these legalization it's possible for someone to track. You can check out this private profile viewers. All the best!
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