recently i installed the anaconda but when i\'m open it i got this error: Error fetching package index Could not find URL: https://pypi.python.org/pypi/osx-64/
Error fetching package index Could not find URL: https://pypi.python.org/pypi/osx-64/
You should edit the condarc file, as mentioned. It is hidden, thus you may not find it right away.
condarc
You can find it like this, from you home folder:
find . -name ".condarc"