This is due to a security protocol that may not be enabled on your web browser.
The following link will explain how to enable this functionality in your browser so that you may proceed to download without any error.
https://help.wheniwork.com/articles/enable-tls-v12-on-your-web-browser/
If you are having difficulty enabling this setting, it is suggested to contact a computer professional for further assistance.
We apologize for any inconvenience caused.