R-4.5.0 alpha build for Windows

If you want to double-check that the package you have downloaded matches the package distributed by CRAN, you can compare the md5sum of the .exe to the fingerprint on the master server.

This is a pre-release Windows 64 bit build of R-4.5.0, including changes up to 2025-03-14 (r87973).

This is not an official release. Please report bugs in this version on the R-devel mailing list.

Frequently asked questions

• Does R run under my version of Windows?
• How do I update packages in my previous version of R?

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

Other builds

• The current official release.
• Patches to the official release are incorporated in the r-patched snapshot build.
• A build of the development version (which will eventually become a later major release of R) is available in the r-devel snapshot build.
• Previous releases

Last build: 2025-03-14