Wharton Research Data Services (WRDS) is only accessible to MSU faculty and graduate students.*
You must request an account to use it. Register for an account here: http://wrds-web.wharton.upenn.edu/wrds/?register=1.
Once you have an account, you may access WRDS from any computer here: http://wrds-web.wharton.upenn.edu/wrds/.
*There is a research assistant option that must have a supporting faculty member. Faculty may also create access for a class.