Please see the R FAQ for general information about R and the R Windows FAQ for Windows-specific information.

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. …

Oct 31, 2025 · CRAN is a network of ftp and web servers around the world that store identical, up-to-date, versions of code and documentation for R. Please use the CRAN mirror nearest to …

This directory contains previous binary releases of R for Windows. The current release, and links to development snapshots, are available here. Source code for these releases and others is …

3 days ago · This is a Windows 64 bit binary build R including patches up to 2025-12-06 (r89107). This is not an official release of R. Please check bugs in this version against the official …

2 days ago · This is a Windows 64 bit binary build of the 2025-12-07 r89118 development snapshot of R (which will eventually become R-4.6.0). This is a development version of R. It …

RTools: Toolchains for building R and R packages from source on WindowsChoose your version of Rtools:

This document is a collection of resources that were used in the past for building packages for R under Microsoft Windows, and for building R itself (version 1.9.0 to 4.1.3).

Apr 5, 2024 · For UTF-8 to be the native encoding, you need R at least 4.2 and at least Windows 10 (version 1903) on desktop systems, Windows Server 2022 on long-term support server …

Oct 31, 2025 · R and package binaries for R versions older than 4.0.0 are only available from the CRAN archive so users of such versions should adjust the CRAN mirror setting (https://cran …