Instagram allows you to record a video to share it with other people in the world. You can record or share a video up to 15 seconds long. To record a video, you need to download the latest version of Instagram app. Once you have downloaded the latest Instagram app, you can start recording a video right away. The people who are using a 3GS phone or newer running iOS 5.0 or later, Android 4.0 or later can start recording video right away on Instagram. If your phone is not supported for video recording, then you may still be able to view videos which other people share on Instagram.