On your computer, open Chrome.
If the address did not take you to that page, follow these steps:
At the top right, click More Settings.
At the bottom, click Advanced.
Under "Privacy and security," click Site settings.
Turn on Allowed (recommended in general, but needed to use Backbone).
Open Internet Explorer and click on the tools button at the top right, then select “Internet Options”
Select the Security tab then click on “Custom Levels”
Scroll down to the Active Scripting setting and select “Enable” then press OK.
First open firefox and type “about:config” into your browser’s address bar.
A prompt will appear, click I Accept the risk button.