You can select a command from the Statistics, Graphics, or Data menu and fill in the dialog:
We displayed the dialog by clicking the Statistics menu, selecting Survey data analysis, selecting Distribution-specific models, and selecting Negative binomial regression for survey data.
Besides making Stata easier to use, the GUI allows you to discover features you never knew existed. Just to make it easier, there is an all-new topical index built into the online help system.
Even command-line aficionados will find Stata 8's new GUI useful. The GUI makes commands you are using for the first time easier to learn by showing you the command and the proper syntax for the operation that you wish to perform.