Firefox:
- First type "about:config" in address bar in Firefox browser.
- Here under “Preference Name” search for "security.tls.version.max".
- In front of "security.tls.version.max" you will find “Value” field where you have to enter 3.
- With the value of 3 your TLS version TLSv1.3 is enabled now.
- NOTE: Make sure you are using Firefox 23.0 or higher version of it.
- Open the Chrome browser and click on wrench like icon.
- Now click on “Setting” and choose “Advanced” in new window.
- Now click on “Change proxy settings” option and after that click on “Advanced” tab.
- Here check the box TLS 1.0 by scrolling it and restart browser.
- It will enable TLS 1.0 version for your chrome browser.