Certain classic Windows 8-era games (like Microsoft Solitaire Collection version 1.0 or Jetpack Joyride ) behave differently on modern OSes. A simulator provides a pure sandbox to play them.
For developers targeting the Windows Store (now defunct, but still useful for local testing), the official emulator is the gold standard. Windows 8.1 Simulator
| Feature | Real Windows 8.1 | Simulator | |--------|----------------|------------| | Run .exe | Yes | No | | File system access | Full | None | | Multi-tasking | True | Fake | | Settings change | System-wide | Mock UI only | | Network & drivers | Yes | No | | Start screen customization | Yes | Very limited | | App installation | Yes | No | | Keyboard shortcuts (Win+X, etc.) | Full | None | | Feature | Real Windows 8