On the `Tools` menu, click `Internet Options`, and then click the `Security` tab.
Click the `Internet zone` and then click `Custom Level`.
In the `Security Settings` – `Internet Zone` dialog box, click `Enable` for `Active Scripting` in the `Scripting` section.
Click the `Back` button to return to the previous page, and then click the `Refresh` button to run scripts.
In the address bar, type `about:config` (with no quotes), and press `Enter`.
Click `I'll be careful, I promise`.