VLC
Also on WindowsPlays almost any video or audio file, plus DVDs and streams.
Installs from Ubuntu's own software archive.
Good news: VLC runs on Linux. It's the same app you use on Windows, and TuxPick installs it for you from Ubuntu's own software archive.
Install VLC with TuxPickIt works on Ubuntu 22.04 and 24.04, and on systems built on them like Zorin OS and Pop!_OS.