Step 1: Go to www.twitter.com , Search for an image or video.
Step 2: Get the link/URL of the tweeted video
Method 1: Copy the URL from address bar of the browser
Method 2: Copy link to Tweet
Step 3: Paste that URL in the top text box given above and then click the Download button.
Step 4: Choose your Video resolution or size and Download it.
Enjoy the little things in life. For one day, you may look back and realize they were the big things. Many of life's failures are people who did not realize how close they were to success when they gave up.