Open the Instagram app and find the video you want to save
Tap the Share icon or three-dot menu on the post
Copy the video link
Open a browser on your mobile phone
Visit an Instagram video downloader website
Paste the copied link into the input box
Tap the download button
Choose the video quality if available
Save the video to your phone
Use a screen recorder if the download option is not available
Make sure you have permission before downloading or sharing the video