Scalar is pretty easy to use but there are resources out there to help you get going.
There are mutlitple versions of Scalar and right now they are on Scalar 2.0, when looking for help with figuring out the tools, make sure that it is giving you instuctions for the right version.
Making an Account
To start a Scalar project you must first register for a free Scalar account:
That's it! You're ready to create a book (project).