Open Photoshop
Open the image you want to use as the base
Click File
Click Place Embedded or Place Linked
Select the picture file
Click Place
Press Enter or click the checkmark to confirm
Resize or move the picture as needed
Save the file
Open Photoshop
Open the image you want to use as the base
Click File
Click Place Embedded or Place Linked
Select the picture file
Click Place
Press Enter or click the checkmark to confirm
Resize or move the picture as needed
Save the file