No se habilita casilla R al crear ambientes

Ya cuento con R y Rstudio, Anaconda y al tratar de crear ambientes con R no me permite. Traté de instalar desde consola pero me arroja error, qué puedo hacer?

conda install -c conda-forge rstudio-desktop

Channels:

  • conda-forge
  • defaults
    Platform: osx-arm64
    Collecting package metadata (repodata.json): done
    Solving environment: failed

PackagesNotFoundError: The following packages are not available from current channels:

  • rstudio-desktop

Current channels:

To search for alternate channels that may provide the conda package you’re
looking for, navigate to

https://anaconda.org

and use the search bar at the top of the page.