How to update R from ver 1.9.1 to 2

1. Download and install the new version in the usual way.  You 
do not need to remove the old version.  Both can co-exist.
2. If you have *.site files copy them over to the corresponding
locations in the new R version.
3. Re-download any packages you want from CRAN from within
the new R.

Dear group,
 apologies if this is a stupid question.  I searched
CRAN sites. I am afraid I missed it.
Can any one help me if I can update my windows version
of 1.9.1 to 2 or higer.

thanks
srini

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