Many people are unable to use the https URL. This can be caused by many things, but one of the most common is that port 443 is blocked. One alternative: trying using the SSH URL, after [setting up a key](https://help.github.com/articles/generating-an-ssh-key/) if needed.
Many people are unable to use the https URL. This can be caused by many things, but one of the most common is that port 443 is blocked.
One alternative: trying using the SSH URL, after setting up a key if needed.