Buka Firefox. Sentuh ☰. Sentuh Settings. Sentuh alihan "Block Pop-up Windows" yang berwarna biru.

Given the above summary, write a detailed text in English for it.
Tap the Firefox app icon, which resembles an orange fox wrapped around a blue globe. It's at the bottom of the screen. A pop-up menu will appear at the bottom of the screen. This is the gear-shaped icon in the pop-up menu. It will turn white. Doing so will allow pop-ups in your Firefox browser app.