Remove everything you have first (.npm and .snc folders in your root dir).

If you are on M1 Apple silicon, create a Rosetta terminal - https://www.courier.com/blog/tips-and-tricks-to-setup-your-apple-m1-for-development/

Use nvm to install nodejs v12 with the new terminal and install snc again. Follow the instructions found in the pdf from the snc download.

Cross your fingers and hope it works.