Short Answer 
To save a video from a webpage, open Developer Tools by right-clicking on the page and selecting ‘Inspect’ or using a keyboard shortcut. Navigate to the ‘Network’ tab, play the video to load the corresponding media files, and then download the video by right-clicking on the appropriate file labeled as ‘video’ or ‘media.’
Step 1: Open Developer Tools
Start by opening the webpage that contains the video you want to save. Right-click anywhere on the page (but not on the video itself) and select ‘Inspect,’ or use the keyboard shortcut Ctrl+Shift+I on Windows/Linux or Cmd+Opt+I on Mac. This action opens the developer tools, which will allow you to view the underlying code and network activities of the webpage.
Step 2: Navigate to the ‘Network’ Tab
Once the developer tools are open, locate and click on the ‘Network’ tab. This tab displays all the files that are loaded by the webpage. Start playing the video, which will trigger the loading of video files, and you will begin to see a list of network activity, including media files associated with the video.
Step 3: Download the Video
In the network activity list, look for large files typically labeled as ‘video’ or ‘media’, often characterized by their content type such as ‘video/mp4’. Right-click on the identified video file and select either ‘Open in new tab’ or ‘Save As…’ to download the video directly to your device. If these options are unavailable, copy the video URL and paste it into a new tab to initiate the download from there.