On Wed, 22 Apr 2009 11:18:17 -0400 Dimitri Liakhovitski <ld7631 at gmail.com> wrote: DL> You don't have to uninstall the old version. Just install the new DL> version. What I do then - I manually copy (in Windows Explorer) all DL> the packages from the folder library that is under your old R DL> version into the folder library under the new R version. And then I DL> open the new R version and run update packages. Its even simpler than this. [On windows] You can install the new R over the old in the very same folder. Then run update.packages(checkBuilt=T) and you have upgraded the whole R suite. No need to manually copy anything. Cheers Stefan