Let's start from the beginning. Make sure you have cookies enabled or it will not work. Enter your domain name into the address bar [1] of your Internet Browser to get to the Log In page like this http://www.your domain name/typo3 or www.your domain name/typo3 will also work. If you are using your domain name number, you will have to add / after the word typo3 to get to the Log In page. Here is an example http://???.??.53.230/typo3 /
Now you will see this screen:
In the Username box write your user name [2]
In Password box write your password [3]
and then press the [Log In] button or [Enter]