Choose the option that works best for you:
We offer RuntimeError pre-loaded on a USB stick. Just plug it in and run the installer. No need to download or unzip anything.
Use the contact page to request your USB.
Try the browser-based version of RuntimeError instantly. No Windows. No .NET. No install. Works on desktop or mobile, any OS.
Launch Online VersionFor developers or advanced users, you can download it directly:
Download RuntimeError (.ZIP) for Windows You may see a Windows SmartScreen or antivirus warning. Click "More info" > "Run anyway" if prompted.RuntimeError requires the .NET Desktop Runtime 8 .
If not installed, the setup will offer a direct link to get it.