Browse to the location of your Alfresco
For example, http://<your-host>:8080/share.
In Windows, alternatively, you can click the Start menu, and select All Programs > Alfresco Enterprise > Alfresco Share.
Alfresco Share opens in a browser.
Log in using a user name and password.
If you are logging on as the administrator who installed Alfresco, use the credentials that you set during installation. The default administrator user name is admin.