I'm not sure which app you're using, but for LW there's a patch in the bottom right corner of the main window. Click & hold onto it using your cursor & drag it up, across, diagonal to the shape & size you want. There are also dificult to see mini arrows that are located at the areas that separate the partitions of the window. Hold & drag these arrows to resize the sections of the window (eg: make dwnlds window deeper or make search results smaller, etc.

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