Just back up your files and install from scratch - you will not regret doing this. Doing what your 'friend' suggests will bite you in the long run.

>Hi everyone.
>
>I wish to install Win2000 Pro over my WinXp Pro but i don't want to lose any of my data, if i carry on with this is there any chance that files could corrupt by overwriting??.
>
>A friend told me that in order to do a good installation i must delete Program Files, Documents and Settings and Windows directory first and then run the installation, is it safe this way??.
>
>I don't want to format, i made backups of my files, please tell me a good and harmless way to install Win2000 Pro over WinXP.
>
>Thanks in advance guys.
>
>Jim.