To download Instagram videos in MP4 format, you can use one of the many websites or apps available that offer this service. Here are the steps to download an Instagram video in MP4 format:
Open Instagram and find the video you want to download.
Click on the three dots in the top right corner of the screen and select "Copy Link" from the menu that appears.
Go to a website or app that offers Instagram video downloading services.
Paste the copied link in the search bar provided by the website or app.
Click on "Download" or "Convert" and wait for the website or app to process the video.
Once the video is processed, you should see a download button. Click on it to download the video in MP4 format.