You can hold down the Shift key while resizing to maintain the aspect ratio. Adjust the size and position: Use the transform tools (Edit > Free Transform) to resize, rotate, or reposition the overlay as desired.The overlay will appear as a new layer above your image. Import the overlay: Go to “File” > “Place Embedded” or “Place Linked” and select the photo overlay file you want to use.Open Photoshop: Launch Photoshop and open the image you want to work with by going to “File” > “Open” and selecting the image file.