Installing R on Windows
The first thing you need to do to get started with R is to install it on your computer. R works on pretty much every platform available, including the widely available Windows, Mac OS X, and Linux systems. If you want to watch a step-by-step tutorial on how to install R for Mac or Windows, you can watch these video:
There is also an integrated development environment available for R that is built by RStudio. This IDE has a nice editor with syntax highlighting, there is an R object viewer, and there are a number of other nice features that are integrated. Download RStudio from www.rstudio.com and install it to your machine. Screenshot of the IDE is shown below.