Open VLC. Go to Tools > Codec Information while playing a video. Look for Codec: hevc (H.265). If you see ffmpeg or libde265 next to it, you are successful.
Linux users have the least friction. Because Linux distributions have no patent liability restrictions in the same way (they offload the responsibility to the user), the full HEVC codec is usually one command away. install hevc codec for vlc
HEVC support is usually complete. If missing: Open VLC
Is this video a standard or a high-bitrate 4K/8K file ? Share public link If you see ffmpeg or libde265 next to it, you are successful
Here is a comprehensive guide to understanding how VLC handles HEVC and how to fix common playback issues. Understanding VLC and HEVC Compatibility
: The standard HEVC Video Extensions typically costs $0.99.
If updating VLC doesn't work, the next steps depend on which operating system you are using.