ign in to your Twitter account.
Click on the envelope icon in the top right navigation bar.
You'll see a pop up showing your direct message history. Click the New message button.
In the address box, type the name or username of the person you wish to send a message to.
Tip: Make sure that user follows you. You can only send direct messages to users who follow you, even though you can receive messages from any user that you follow.
If you’d like to include a photo in your message, click Add photo (or, if you’re using a Twitter app, tap the image icon near the text box). Note: When you share a photo in a DM, the photo is only viewable by the sender and recipient.
Enter your message and click Send message.