How to uninstall previous version of Lightroom without affecting new version

I just upgrade from Lightroom 1.4 to 2.1
But I know have 2 version of Lightroom on my computer. I want to uninstall 1.4 without affecting my back-ups and my stored edit which are all in place for 2.1.
I figure I could probably do this safely by backing up the Lightroom folder below in case it's removed while uninstalling 1.4. But before I go ahead and do this I would like to be sure.
Below is the location for where I think is my Lightroom Back-ups.
C:\Documents and Settings\All Users\Documents\My Pictures\Lightroom
Thanks.

There is no point installing 2.0 indeed. The 2.1 installer is a full installer and will take the 2.0 serial. You cannot use a Lightroom 2 catalog in 1.4. When you upgrade a catalog, Lightroom will automatically upgrade a copy and keep the old 1.4 catalog untouched, so you can still use that in the old version. They won't be kept in sync however going forward.

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