I found these old instructions, but they no longer work with the new NI package manager: https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z0000019QEBSA2&l=en-US
Instead if I try to repair or reconfigure I can select the c-based or python-based code support, but there is no option for .NET:
And no .net examples are installed. Do I need to downgrade to an older version to get .NET support?