Use AirDrop on a Mac
Connect iPhone to a computer with a USB cable
Open Photos on Mac and import the videos
Use the Windows Photos app and import from the connected iPhone
Open File Explorer on Windows and copy videos from the iPhone DCIM folder
Use iCloud Photos on iPhone and download the videos on the computer
Use iCloud Drive to upload the videos and access them on the computer
Email the videos to yourself if the files are small
Use Messages or another chat app with desktop access
Use Google Drive, OneDrive, or Dropbox to upload and download the videos
Use a third-party transfer app or software
Use Finder on Mac to sync or import media from the iPhone
Make sure the iPhone is unlocked and trusted by the computer when connecting by cable