Register for ORCID here. Also check out our ORCID libguide, which covers integrating ORCID with other IDs and how to best use the service.
The ORCID blog has some helpful How To entries such as:
Create your Google Scholar profile here. Google Scholar also provides information on setting up your profile and information on article citations.
Research Gate is a highly-interactive tool that provides authors with citations, endorsements, statistics, and a live feed of articles pertinent to their scholarship. Register for Research Gate or learn more about their privacy standards.
Register for your academia.edu profile. Academia.edu allows you to share your papers, see analytics on your publications, and converse with other scholars in your field. Academia.edu offers support articles that will help you troubleshoot issues you might have with your account. Academia.edu's copyright FAQ is also important to be aware of.