How to see hidden last seen of whatsapp officially?

Due to privacy reason some peoples hide their last seen. But with small trick you can see their last seen. This tricks is only for learning purpose.

Step 1: Put any message to the group, where you and your friend being their in that group.

Step 2: Now, long press on that message. Message will get selected.

Step 3: At top right corner you can see the icon press on it.

Step 4: Now you can see your friend last seen by just seeing read and unread message of yours