The SDK comes in three flavours.

C API, Unity and Unreal Engine.

There is an Magic Leap package manager which is used to install the SDK and some dependencies like the ML Remote Simulator.

For instant throw-away email addresses, try Mailinator:

http://www.mailinator.com/

https://10minutemail.com, my favorite tool for reasons just like this.

anonymous@protonmail ?

You also have to enter your name, birthdate, sign some agreements, etc.

Yeah, I lied. It worked. Bob John 02/22/1992 has access now. They get to spam the email I specifically have for useless logins.

Win-win?

I suspect by falsifying your information, you violated the agreement. :P