[Gnuplot-bugs] install problem with anaconda

Hello,

I want to install gnuplot with anaconda. I have tried as follows. But it seems that conda cant find the package of gnuplot.
conda config --add channels conda-forge
conda install -c conda-forge gnuplot
conda install -c "conda-forge/label/cf201901" gnuplot
conda install -c "conda-forge/label/cf202003" gnuplo

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

  - gnuplot

Then jow to do it?
Thanks.