VS.Net 2002 and 2003 can co-exist side-by-side on the same PC without problems (if you have enough space to install both!).

VS.Net project can be upgraded to 2003 but cannot be reverted directly (some tools exists for that).
>Hello,
>
>We have just received a copy of VS 2003 with Framework 1.1
>
>Just wanted to know, what is the upgrade process?
>
>Do we have to uninstall VS 2002 before installing the newest version.
>
>The CD's that we received have the words Microsoft Licensing printed on them.
>
>Any ideas/
>
>Thanks,
>
>Alvin