.f4p file: how to open it on Windows

2 Windows apps register the .f4p extension. Install one of them to open the file with a double-click.

• 
  Subtitle Speech Synchronizer

  Automatic subtitle synchronisation app

  Open source 0.17.0 ★ 1.4K
• A
  AVS Media Player

  Watch audio and video

  Proprietary 26.0.2.17

Related guide: Change the default app for a file type in Windows