Register with your Brown email on the LDC registration page by clicking on "Register" [https://catalog.ldc.upenn.edu/signup] and entering Brown University in Organization. The Brown Library will then receive a notification to add you to Brown University users. Once you are added, you will receive an email from LDC and Brown Library informing you of access and you can view and download data sets available to Brown in the LDC catalog by clicking on "Catalog" [https://catalog.ldc.
Some corpora require the signing of a special user license agreement. If the corpora that you have requested requires such a license, then you will receive an email with the license and you can submit this to CLPS Librarian, Andrew Creamer via email [firstname.lastname@example.org].
Once the Library has returned the signed license to LDC, you will receive email notification that access has been granted and you can find the files on your account profile page under "Downloads" [https://catalog.ldc.upenn.edu/organization/downloads].
Once granted, your authorization may be restricted or limited, depending on your status, project, or other factors.