A square empty computer screen window with a drop shadow and three dots in the top corner.

Square Computer Window

A vertical computer window with a square image of mountains or abstract triangular shapes.

Vertical Computer Window With image

A tilted computer window displaying a square with an X through it. 

A square computer window or pop up screen with a simple image of two triangles or mountains.

A square app icon or computer window tab with direction arrows and heart in the corner.

A square window icon with window sill on top and bottom of window.

A square computer window with curved edges, as well as two dots in the corner and a pointy star shape.