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Now let us look at some settings that you may want to modify to enhance Firefox. If a particular change is not quite working out for you, then just right-click on it and select Reset from the pop-up menu to return to its default value. You have to keep track of any changes you make in the Configuration Editor so you can easily find them again.
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You can also create a brand-new setting using a string, integer, or Boolean True/False as the value. If you want to just copy and paste the information as a backup or use the information to create a new setting. You can duplicate the setting, name, or the value, which might be helpful to you. Note that when you right-click on a setting, the menu offers many other commands. After that enter the new integer or string and click OK.
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To modify a setting with an integer or text string, double-click or right-click on it and select Modify. To modify a Boolean setting from true to false or vice versa then, double-click or right-click on it and select the Toggle command. Related: How to Disable Safari’s Frequently Visited Section on ios Devices
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