Now that you have your own personal developer instance, in the ServiceNow developer portal, you can click on the instance URL link to open and log in to your instance using the admin user credentials, as shown in the following screenshot:
Enter your User name and Password to log in to your instance, and leave the Remember me checkbox checked only if you trust others who share your computer. If you are logging in to your instance for the very first time, it will prompt you to change your password. Every ServiceNow instance's URL is different. Instance settings, users, passwords, roles, applications, modules, tables, ...
