Double-click GeometryDash.exe . A small window will appear. If you hear the iconic dubstep beat, success!
The original 1.0 version never had a native Windows executable file. If a website offers a direct "Geometry Dash 1.0.exe" download, it is highly likely to be malware, spyware, or ransomware disguised as the game. Geometry Dash 1.0 Download -FREE- Pc