sudo apt install vlc -y
sudo apt install ubuntu-restricted-extras
If you still experience lag, stuttering, or errors with MKV files: Install Video codecs in Linux Mint install hevc codec for mkv video on linux mint link
If you’ve just installed Linux Mint and tried to play an .mkv file or an HEVC (H.265) video, you might have encountered a black screen, stuttering playback, or an error message saying the codec is missing. The Ultimate Guide: How to Install HEVC Codec
