Download R-4.1.0 alpha build for Windows (86 megabytes, 32/64 bit)
This is a combined Windows 32/64 bit binary build R including patches up to 2021-04-23 (r80209).
This is not an official release of R. Please check bugs in this version against the official release before reporting them.
Please see the R FAQ for general information about R and the R Windows FAQ for Windows-specific information.
Last build: 2021-04-23