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To enable the root user you need to do the following.

1) Log Into The System With Your Administrator Account (the account you install updates with)
2) Run NetInfo Manager (Applications > Utilities > NetInfo Manager)
3) Select Security > Authenticate
4) Type Your Password
5) Select Security > Enable Root User
6) Set A Password In The Window That Comes Up.

In terms of installing, you should just need to put the OS install disk into the computer and reboot while holding the C key down.
 
thanx but now i have another problem i already have root user enabled and i do not know the password

now what?

thanx in advance
 
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