FLAC for Windows
How to play FLAC downloads in WindowsKODI - A Universal Free Replay System
Pristine Classical recommends the Kodi software for all audio replay on all computer platforms. Visit http://kodi.tv for further details of this comprehensive, free, universal audio, video and photo replay software.
Windows 10: Groove Music
Windows 10 includes an application called Groove Music which can play FLAC files – the first time this facility has been built into Windows.
Older versions of Windows: Windows Media Player
Windows Media Player is the default media player for older versions of Windows. Although it doesn’t play FLAC files “out of the box”, the support for this and other formats can be added to it. For full instructions as to how to achieve this, see https://www.lifewire.com/how-to-play-flac-files-in-windows-media-player-12-2438876