When you want to create a composite image in Photoshop, you first need to create a new document. Then, you need to select the Image option and click on the Create button. Once the image is created, you need to select the Composition option and then click on the OK button. Next, you need to choose the Image Size option and then click on the OK button. Finally, you need to select the Image Format option and then click on the OK button. Now that your image has been created, you can use it in your document by selecting it and clicking on the Edit button. Then, you can change its properties by using the tools available in this window such as brightness, contrast, saturation, etc.
