How to add a contact

There are several ways to add a contact.
Add contact with a new chat
  1. Open WhatsApp.
  2. Go to the Chats tab.
  3. Tap New chat
    > New contact.
Add from chat info (unsaved numbers you have chatted with)
  1. Open WhatsApp.
  2. Go the the Chats tab.
  3. Select a chat with an unsaved contact. It will be represented by a number rather than a name in the chats list.
  4. Tap the top app bar to view Chat Info.
  5. Tap Save in the actions at the top of the screen.
Add from groups
  1. Tap and hold a message from a non-contact.
  2. Tap More.
  3. Tap Add to Contacts. Choose either:
    • Create New Contact - Verify the name and phone number.
    • Add to Existing Contact - Select an existing contact and verify the name and phone number.
To add contacts that use an international phone number, read this article.