• When you run the installers, make sure to run them as administrator.
• Select the file, right click and choose Run as administrator
  

• Open your browser and go to http://cran.r-project.org/
• Click on Download R for Windows
  
• Click on base
  
• Click on Download R 3.1.2 for Windows
  
• Open and run the file you just downloaded R-3.1.2-win.exe
• There is no need to change the default installation!

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1	2	3
4	5	6
7	8	9
		DONE
10	11

• Please make sure you install the latest version of R (R version 3.1.2).

Now we need to install Rtools

• Open your browser and go to http://cran.r-project.org/
• Click on Download R for Windows
  
• Click on Rtools
  
• Download Rtools31.exe
  
• Open and run the file you just downloaded Rtools31.exe
• Again, there is no need to change the defaults

.	.	.
1	2	3
4	5	6
7	8	9
10	11	12
	DONE
13	14

• If you have already installed RStudio, before you skip this section check if you are using the right R version. Go to Tools/Global Options. Make you sure you have R-3.1.2 under R version

• Go to http://www.rstudio.com/ and click on Desktop

• Select DOWNLOAD RSTUDIO DESKTOP

• Download the installer for Windows

• Open and run the file you just downloaded RStudio-0.98.1091.exe

• You don't have to change any of the defaults for the installation

.	.	.
1	2	3
		DONE
4	5	6

• Open Rstudio, in the Files/Plots/Packages/Help panel, select Packages and then click on Install

• Type devtools under Packages, make sure you spell the name of the package correctly. Then, click on Install
  

• Alternatively, you can run the following command in the console:

install.packages("devtools")

We are ready to install R packages from GitHub

• First we need to load the devtools package

library(devtools)

• Now we can install the gapminder package.

install_github("jennybc/gapminder")

http://opensource.org/licenses/MIT