Downloading Geometry Dash 1.0 for free from third-party websites exists in a gray area. To support the developer, you should buy the full modern game on Steam. But if you want to legally experience the mechanics of 1.0 without risking a virus, you can download the "Geometry Dash Lite" (official free version) – though that is a different build.
Reason: Because version 1.0 uses a basic DRM crack (even if you own the game, the old crack triggers false positives in Windows Defender). Disable "Real-time protection" in Windows Security only during the extraction process. Geometry Dash 1.0 Download -FREE- Pc