As with all software installations on Windows operating systems, you must be an administrator on the computer to install SQL Server Express, ArcGIS Desktop, and the tutorial data. If you do not have administrative rights to the computer you are going to use for this tutorial, have your systems administrator install the software. Be sure the system administrator adds your login to the database server as an ArcSDE database server administrator when he or she enables the SQL Server Express instance to store geodatabases. The ArcSDE database server administrator is responsible for maintaining the database server, creating and maintaining geodatabases, and adding and administering their database server.