(Quick Sync Video):

Open your terminal () and run the following commands one by one:

If you prefer a specific media player that handles codecs internally, VLC Media Player is the gold standard. VLC comes with its own set of built-in libraries which often bypasses the need for system-wide codec installations. You can install it via the terminal with: sudo apt install vlc

If an older VLC version from the Mint repositories fails to decode some HEVC files, install the Snap or Flatpak build: