Let us see now how to download and install R:
Browse to the official R website at http://www.r-project.org; the home page looks like the following:
Under the Download, Packages heading on the left-hand side of the screen, click on the CRAN link.
A page with several CRAN (Comprehensive R Archive Network) servers located across the world will be displayed. Click on the link for the CRAN server located nearest to you.
A page with frequently used CRAN links will be displayed. In the Download and Install R section, click on the link that corresponds to your operating system (Linux, Mac OS X, or Windows).
Use the provided link to download the latest version of R for your operating system and version.