The game natively runs in a low resolution (typically 800x600). Pressing Alt + Enter will toggle full-screen mode, though playing in windowed mode often yields crisper sprites on modern 4K or 1080p monitors.
Right-click the file and select using Windows Explorer, WinRAR, or 7-Zip.
When you complete the , you are getting a packed fighting game with features that hold up even years after its release: