The default user name is admin and the default password is admin.  To log in to the web browser configuration for the first time, from a computer that is connected to the same network as the TEW-637AP, open the web browser (e.g. Internet Explorer), go to the TEW-637AP's Network Address (please see Knowledgebase ID 1626) (e.g. https://192.168.10.8), enter admin for both user name and password to login. Once in the configuration page, click on Administrator  on the left, click on Management in the sub menu, enter the new password and click on Apply.