Checkout this video:
1. Open Firefox and type “about:config” into the address bar. This will open the Firefox Configuration page.
4. Close the tab to save your changes.
1. In the URL bar, type about:config and press Enter.
3. Double-click the preference to change its value from false to true
While Microsoft Internet Explorer is the most popular web browser, there are many other browsers available. Two of these, Mozilla Firefox and Google Chrome, have been gaining popularity in recent years. These browsers are not as vulnerable to certain types of attacks as Internet Explorer is, but they can still be hacked.
1. Open Firefox and type “about:config” into the address bar.
3. Restart Firefox for the changes to take effect.
If you’re having problems with Firefox, resetting it can help. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks and open tabs.
To reset Firefox:
Click the menu button and choose `Preferences`.
Select the `Advanced` panel.
Click on the `General` tab.
At the top of the Firefox window, click on the `Firefox` button, go over to the `Help` sub-menu and select `Troubleshooting Information`.
On the `Troubleshooting Information` page, click on the `Reset Firefox` button.
-Open the Firefox browser and enter “about:config” in the URL bar. This will take you to a configuration page for Firefox.