There are so many programs that promise you a lot, but the reality is that they fail to deliver the basic functions. This is why you need to use only the ones that have good reviews and that were tested by other people. In the case of the instagram video downloader, you should take a leap of faith and save this program on the computer now.
In this way you will have the chance to download all the videos that you think are important for you. It could be something from your family members or from your best friend.