.devpackage file: how to open it on Windows

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

• 
  Embarcadero Dev-C++

  A fast, portable, simple, and free C/C++ IDE

  Open source 6.3 2K ↓ ★ 3K
• D
  Dev-C++

  A free, portable, fast and simple C/C++ IDE

  Open source 5.11

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