Go back to the original blog post where you saw the name. Look for a Download button, a hyperlinked version of the filename, or a Google Drive link.
You can use tools like the Video Downloader Professional extension on Chrome. Once installed, it will detect any video files (like your .mp4) running on a webpage and provide a direct download link. Safety Warning Download VID20220812122147 mp4
If you saw this filename mentioned in a blog post or a specific forum, here is how you can retrieve it: Go back to the original blog post where you saw the name
iHackedGames.com