Unlike in Vine the video will last for 15 seconds - to get started after you have download the app onto your iPhone, iPad or Android phone or tablet. You will need to press the camera icon to switch from camera to video. Press the same button to start and stop your recording. Once your done - they will all be compiled into a short 15 second video. You can then choose your filter to make it look better. You can also use Cinema to add stability to your video. Once doen you can share your video on Facebook, Twitter, Tumblr or Foursquare just to name a few.
You can also use a caption for your video and # Hashtags are also allowed. The app is available both for iOS and Android - which you can download for free and begin using. You need the latest version of Instagram for the new video feature - 4.0.1
Instagram for Android
Instagram for iOS
Please check video below for visuals
https://www.youtube.com/watch?v=OqCGzN9_CAc