Yes, it is possible you can easily get the WhatsApp chat history of others legally. You need one software on your Android/iPhone device. And the software name is whats scanner. You just install this scanner and open the scanner on your Android device then you need your friend or girlfriend's mobile. You can just open your girlfriend's WhatsApp and click on three dots and click the last setting. There you can see the option scanner just speedily scan there. You have all done. In this way, you can easily get the WhatsApp chat history of others legally.