Disabling office 2000 registration. How?

This can be accomplished by just clicking No when you are prompted,click register later in the Registration Wizard,or Click Yes when you are prompted and click Cancel to close the Registration Wizard.
The message prompting you too register your copy should only appear the first time you start office
Clicking No or Cancel when you are prompted to,the Registration should not show up again.

...it is largely because civilization enables us constantly to profit from knowledge which we individually do not possess and because each individual's use of his particular knowledge may serve to assist others unknown to him in achieving their endsthat men as members of civilized society can pursue their individual ends so much more successfully than they could alone.

- F.A. Hayek