.cpk file: how to open it on Windows

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

• 
  SMPlayer

  Free Media Player for Windows and Linux with Youtube support.

  Open source 26.8.29 ★ 1.1K
• 腾
  腾讯视频

  China's leading online streaming platform that offers unlimited HD videos for watching online

  Proprietary 11.187.5433.0

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