This fixed the issue. Thanks!

CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://conda.anaconda.org/opensim-org/ ... 20.tar.bz2>
Elapsed: -

An HTTP error occurred when trying to retrieve this URL.

This is the error I get after some time.

I'm trying to install opensim 4.4 on python 3.8 (tried on 3.6 and 3.7 as well), using the conda command mentioned here : https://anaconda.org/opensim-org/opensim I tried many times but whenever I try to run this command, downloading of opensim 4.4 always remains at 0% in anaconda prompt terminal, it...