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R for Windows


base Binaries for base distribution. This is what you want to install R for the first time.
contrib Binaries of contributed CRAN packages (for R >= 4.0.x).
old contrib Binaries of contributed CRAN packages for outdated versions of R (for R < 4.0.x).
Rtools Tools to build R and R packages. This is what you want to build your own packages on Windows, or to build R itself.

Please do not submit binaries to CRAN. Package developers might want to contact Uwe Ligges directly in case of questions / suggestions related to Windows binaries.

You may also want to read the R FAQ and R for Windows FAQ.

Note: CRAN does some checks on these binaries for viruses, but cannot give guarantees. Use the normal precautions with downloaded executables.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.