1. Run the Set Me Up for CRAN.
2. To switch from the current repository to a different resolution CRAN repository.
setRepositories()
3. View all the available packages for the selected CRAN repository.
available.packages()
4. Install a package from the CRAN repository.
install.packages() - select from a list, on supported clients install.packages("package") - install by package name
Note
Please note that the CRAN client only allows basic authentication in the URL section, using either a password or a reference token.