How to change the scenery outside the window in ps?

The method of changing the scenery outside the window in ps is:

1. Open the picture, copy the layer, and click the small eye in front of "Background Layer" to close the background layer;

2. Click "Add to Selection" on the toolbar above with the Rectangular Box Selection Tool, select the scenic area outside the window (to be aligned with the edge of the window), and open "Edit-Clear" to clear the scenery inside the window;

3. Open another landscape picture and drag it in. Ctrl+t adjusts the size and position, adjusts the order of layers, and puts the landscape "layer 1" under "copy layer".