Is there any way to download and install the conda packages in specified directory without creating a conda environment in that directory?
If you just want to download the packages, you can set an environmental variable to the specified directory, and use the --download-only switch
set CONDA_PKGS_DIRS=C:\temp
conda install zlib --download-only
dir c:\temp\
Volume in drive C is Windows
Volume Serial Number is DC83-883D
Directory of c:\temp
...
07/13/2020 08:16 PM <DIR> zlib-1.2.11-h2fa13f4_1006
07/13/2020 08:16 PM 241,593 zlib-1.2.11-h2fa13f4_1006.tar.bz2