Based on the search term it is important to clarify the status of this project, as there is significant confusion and potential security risks surrounding it.

Unfortunately, the closed beta download of Mario Multiverse is only available to a select group of players who have been invited by Nintendo. However, there are a few ways to potentially gain access to the beta:

Can I stream this beta? A: Yes, but please add “Closed Beta – Work in Progress” in your overlay or description.

Demonstrating your proficiency in creating creative levels can lead to being scouted.