Firefox blocks pop-ups by default, so keep the box checked to continue blocking pop-ups in Firefox. Scroll down to the Permissions section and find the setting Block pop-up windows. Select Privacy & Security from the menu on the left-hand side. Open a new browser window in Firefox and click the hamburger menu (three stacked lines) in the upper-right corner.

Here’s how to access the pop-up settings in Firefox: If you’d like to manage the pop-up blocker feature in Firefox, the first step is to access the settings.

How to access the Firefox pop-up settings

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