Generic file names like this are often used in "drive-by download" attacks or phishing sites to trick users into downloading viruses or adware.
If "Your_ruby.mp4" is a video you've seen or heard about, it might be: Download File Your_ruby.mp4
If you're trying to download a file someone sent you or that you have stored in the cloud, you'll need the specific link from that service (like Google Drive, Dropbox, or WeTransfer). Generic file names like this are often used