The direct approach (also known as jumping in) usually works best when you want to get familiar with a new software tool. To that end, just follow these steps to log in to WordPress and look at the guts of the Dashboard:
The login page's address looks something like this (exchange that .com for a .org or a .net, as needed):
If you installed WordPress in its own folder, include that folder name in the login URL. If you installed WordPress in a folder ingeniously named wordpress, the login URL becomes http://www.yourdomain.com/wordpress/wp-login.php.
In case you forget your password, WordPress has you covered. Click the Lost Your Password link (located near the bottom of the page), enter your username and e-mail address, and then click the Submit button. WordPress resets your password and e-mails the new password to you.
The cookie tells WordPress to remember your login credentials the next time you show up. The cookie set by WordPress is harmless ...