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To communicate between server and client, Parametric Robot Control needs to have a valid certificate installed. This happens automatically in the Windows installer (unless deselected). If you are using macOS or are experiencing problems, please refer to the Certificates section and watch the video below.
Parametric Robot Control - Installation on macOS
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<aside> 🚧
Parametric Robot Control requires the .NET Runtime (≥10). It comes bundled with the Windows and macOS releases, however if you are running the Developer version, NET10 needs to be installed from Download .NET (Linux, macOS, and Windows).
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You can download the preview release of Parametric Robot Control from the Download page.
An early video tutorial also showing the installation process is available on the Grasshopper page.
Download the .exe file containing the installer.
The installer is digitally signed. However, you may still have to manually select that you want to “Keep” the download.

In the installer, accept the prompt that this is experimental software.
We suggest keeping all elements selected.

If “Install HTTPS Certificate” is enabled and the certificate has not yet been installed, you will get the prompt below. Confirm the prompt as the certificate is needed for the Server to function. You do not require Administrator rights for that. The certificate installer can also be run from %LOCALAPPDATA%/Parametric Robot Control/PRC.Server/Certificates/PRC.CertInstaller.exe

You can now start the server from the Start Menu and other integrations from the respective apps.