If you want to change the language of WhatsApp, then follow the steps given below. Here is a step by step guide with the help of which you can change the language of your WhatsApp to your local language.
First of all open WhatsApp on your Android device .
After this, click on the three dots appearing on the top right side.
After that click on Settings.
Then click on Chats.
After that go to App Language.
In gbwhatsapp you will get a list of some languages, from which you have to select your favorite language.
Now you will come back and see that the language of your WhatsApp has changed.
As I mentioned above that your WhatsApp is by default in the same language which is the language of your phone. You must have seen in the steps mentioned above that WhatsApp already uses a default phone language. If you want to change the language of WhatsApp, then you can also change the language of WhatsApp by changing the language of your mobile.