1.2 Installing R and RStudio on Windows
The latest version of R can be download from the R homepage.
R download page: http://www.cran.r-project.org/bin/windows/base/ The page also provides some instructions and FAQ’s on R installation.
RStudio IDE ( IDE: Integrated Development Environment) is a powerful and productive user interface for R.
It’s free and open source, and works great on Windows, Mac, and Linux