WhatsApp New Policy With New Changes Which Allow You To Continue Using It but with Limited Function
For a short time you will still able to receive calls and notification but won’t be able to read or sent a message from the app. Which lead to two options such as you have to give in and accept the new privacy policies and download your chat history and move to another messaging app.
Alternatively, you can migrate your WhatsApp data to Telegram that the latter offers. You can move your WhatsApp chat including media and documents from personal as well as group chats with a new chat export feature in Telegram.