After installing WordPress on your 123-reg linux web hosting package, you may login to your WordPress blog as follows:
1 Login to the 123-reg Control Panel.
2 Scroll down to the Web hosting section and choose the domain name linked with your web hosting package from the drop-down box. Click the Manage button.
3Under the set-up column, click the Manage link.
4Click the FREE 123-apps link.
5Click the Administrative link for your WordPress installation.
6 Type the adminstrator username and password and click the Log In button.