480p is standard definition. It will look okay on small screens but may appear blurry or pixelated on large 4K TVs.
The .avi format and XviD codec are older standards. Most modern computers and VLC player will handle it easily, but some very new smart TVs might require a newer format like .mp4 or .mkv. If you'd like, I can help you with more info:
The "tag" or name of the release group that encoded the file. Movie Synopsis
The DD5.1 track provides a solid home theater experience if you have a surround sound setup.