Some settings need to configure to run oracle 12c home page from the browser. After completing the installation of oracle 12c, do the followings tasks from SQL plus to run oracle home page from the browser. Before starting this tutorial you have to install oracle 12c. The installation steps of oracle 12c is shown in the following tutorial link.
1.Open command prompt and type the following command.
connect system as sysdba
alter user system identified by "123456" account unlock;
6. Open any browser and go to the following url to run oracle Home page.
The steps are shown in the following video.