RUV Installation
Unzip the Rapport Unreal Viewer plugin if necessary

Place the unzipped folder in the Plugins directory of either your Unreal project or your Unreal Engine installation. Note: If the Plugins folder does not already exist in your project, then simply create it
Launch the Unreal Editor
Navigate to the toolbar and select Edit->Plugins

Find the Rapport Unreal Viewer plugin and make sure that it is enabled
