1. Install swirl

# install.packages("swirl")
packageVersion("swirl")

## [1] '2.4.3'

2. Load swirl

library(swirl)

## Warning: package 'swirl' was built under R version 3.3.3

## 
## | Hi! Type swirl() when you are ready to begin.

3. Install the Getting and Cleaning Data course

# install_from_swirl("Getting and Cleaning Data")

4. Start swirl and complete the lessons

# swirl()

to be continued