Holly Ann Burt, Education & Outreach Coordinator in the Greater Midwest Region of the NN/LM has produced a really wonderful tri-fold about My NCBI. On a single sheet, it contains pretty much everything folks need to know in order to set up and use a My NCBI account.
The document is freely available for your use:
And, like most everything else produced by the NN/LM, it is not copyrighted. Please feel free to modify the document in any manner that will best suit your needs.