--- title: "Installation" canonical: "https://documentation.chaos.com/space/VRAYHOUDINI/113278995/Installation" format: markdown --- ## **Overview** --- This guide provides steps on installing V-Ray for Houdini. Trial users should refer to the Trial installation of V-Ray for Houdini, as the process differs from the one shown here. The V-Ray installer can be unpacked from a zip file. > Macro (ui-button) Please check the [system requirements](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113279265) before installation. The V-Ray installer automatically removes any previous V-Ray for Houdini versions. If you experience problems, you can manually uninstall the previous versions to perform a clean install. > ℹ️ - [V-Ray](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113279747) > ℹ️ - [V-Ray GPU](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113279741) > ℹ️ - [Chaos Cosmos](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113279306) > ℹ️ - [Chaos Cloud](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113279405) > ℹ️ - [Additional V-Ray tools](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113279498) > ℹ️ - [V-Ray Standalone](https://docs-chaos.atlassian.net/wiki/spaces/VNS) > ℹ️ - [V-Ray AppSDK](https://docs-chaos.atlassian.net/wiki/spaces/APPSDK) Watch video instructions for installing V-Ray for Houdini: > Macro (ui-button) ## **Running the Installer** --- Before running the installation, make sure your OS account has administrative privileges. Run the installer. Windows / macOS / Linux may ask you for permission to run the installer with administrator privileges. Please confirm. > ✅ Information on How to run the MacOS installer safely on macOS Catalina and later can be found on the [Installation of Chaos Cloud Rendering Client App](https://docs-chaos.atlassian.net/wiki/spaces/VCLOUD/pages/126111024) page or in Apple's [How to open an app that hasn’t been notarized or is from an unidentified developer](https://support.apple.com/en-us/HT202491) article. ### **1. Welcome**