Connect your iPhone to your laptop with a USB cable
Unlock your iPhone and tap Trust This Computer if prompted
On Windows, open File Explorer and go to Apple iPhone > Internal Storage > DCIM
Copy the video files from the DCIM folder to your laptop
On Mac, open Photos or Image Capture
Import the videos from your iPhone to your Mac
Use AirDrop on Mac to send videos wirelessly from iPhone to laptop
Use iCloud Photos and download the videos on your laptop
Use the Files app or cloud storage apps like Google Drive, OneDrive, or Dropbox
Upload the videos from your iPhone and download them on your laptop