I can only find an exe file, no ZIP or unitypackage things.

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Desktop AR community welcomes you to share your ideas, join the discussion, and report a problem about Holo-SDK with the community.

Desktop AR community welcomes you to share your ideas, join the discussion, and report a problem about Holo-SDK with the community.
Please follow the instruction https://www.youtube.com/watch?v=O2BCNFAUNDs