MyXU: Go to portal.xavier.edu and click the New User link in the Login box. Follow the on-screen instructions for setting up your MyXU account. Your MyXU portal user name is the first part of your email address - the part before the @ symbol.
Blackboard: You can get to a Blackboard course through MyXU or by going directly to Blackboard at blackboard.xavier.edu. Use your MyXU user name and password to log in.