The Nexus DB account request needs to be initiated from within the Nexus application. After launching Nexus, click on the “Login to Nexus DB” icon or click on “Nexus DB” in the menu bar and select “Login to Nexus DB.” In the resulting window, click on the blue “Register account” link (bottom left), fill in your information, and submit the form. You will receive your account username and password within two business days. Once you have your account, you can log into Nexus DB and query or browse the available projects. For further information on access, querying, uploading, downloading data to/from Nexus DB, please refer to the section on Nexus DB in the User Manual.