Windows Vista

1. Open User Accounts by clicking the "Start "button, clicking "Control Panel", clicking "User Accounts and Family Safety", and then clicking "User Accounts".

2. Click "Manage another account". If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

3. Click "Create a new account".

4. Type the name you want to give the user account (in this case, postgres), click an account type (in this case, standard user account), and then click Create Account.