WARNING: DB Guardian works on Oracle version 10g Only.

   
Install JVM 1.4 (http://java.sun.com)
    Download zip file and unzip all files on same directory
   
Setup your monitor resolution for 1024x768
   
Connect on Oracle using SQL*Plus by sys user (connect sys/password@instance as sysdba);
   
Execute install_dbg.sql script (@C:\install_dbg.sql);
   
Run dbg.bat (on Windows) or dbg.ksh (on linux/Unix)
   
Logon on DB Guardian using user <dbg> and password <dbg>;
   
Connect on Oracle using SQL*Plus by sys user (connect sys/password@instance as sysdba);
   
Execute uninstall_dbg.sql script (@C:\uninstall_dbg.sql);