Use VLC Media Player or MPC-HC . These players handle .mkv files and various subtitle formats easily.
File names like this are "scene tags" that tell you exactly what you are getting: The resolution (Full HD). Bula20221080pVMAXWEB-DLTheMoviesflixnetmkv
Portuguese (often available with English subtitles). Understanding the Filename Use VLC Media Player or MPC-HC
Likely the "release group" or the specific source/encoding team. Bula20221080pVMAXWEB-DLTheMoviesflixnetmkv
This stands for "Web Download." It means the file was losslessly ripped from a streaming service (like Netflix, Amazon, or Hulu), usually offering better quality than a "WEBRip."
This is a watermark or tag from the website where the file was originally hosted.