: Look at the original message, channel, or group where you found the link. Often, the title or description is listed in the message text immediately above the file.

Since the filename is an alphanumeric string, it doesn't describe the video content. To find out what it is without opening it:

: Use a tool like MediaInfo or FFmpeg . These can reveal the video's title, duration, resolution, and encoding details embedded within the .mkv container. 2. Playing the File

: Always run the file through a service like VirusTotal before opening it, especially if it came from an untrusted source.