Create a new layer name it “window1”.
Right click, click on the shape, click “Make Selection…”
Fill the selection with any color.
Now duplicate layer and name it “window2”.
Use CTRL+T to flip the window2 layer vertical, and then horizontal.
Now you should repeat the same thing two more times to get four windows in total.
Fill the windows using gradient with equal colors from the original logo.
Add Bevel and Emboss to all windows.
Now you should have something like this.
We need some glossy effect on this window.
Create a new folder “window”, put all four window shapes into one folder.
Duplicate “window” folder and press CTRL+E to merge folder. Name it “Gloss”.
Lock Transparent pixels
And fill the “gloss” layer with white color.
Create a copy of this layer, name it “shadow” and put under the “window” folder (we need this one for later).
Unlock Transparent pixels, and use eraser tool to remove unnecessary part.
Set opacity 15%
Create a new layer “shine”.
How hold down CTRL and left mouse click to the “shadow” (do not select this layer) layer at the layer palette.
We have got selection like this one: