Steps to install R:

1, go to http://rh-mirror.linux.iastate.edu/CRAN/

2, click WIndows

3, click base

4, click R-2.6.2-win32.ext

5, click run

then probably the installation of R will finish in about 10 mins (depending on internet speed)

Steps to install packages:

1,Run R

2,click Menu: packages, click "install packages"

3,pick up any CRAN mirror, e.g. USA(IA), click OK

4,click any Package(s) you want, then click OK (use CTRL to choose multiple packages)

Hope this help! Good luck!

R mainpage:http://www.r-project.org/

the latest version is 2.7.0, the download link is

http://cran.stat.sfu.ca/

and then download the exe file, and install like the usual software.