Open your editing software. Click on the "Import" button or menu in your software, select the photo you want to use and open it.
Edit the photo as desired. Adjust the size of the photo to fit the size of the template. Make any adjustments you would like on the photo. Save the photo as a JPG file.
Open the template and confirm it is exactly as you want it. If not, create or download another template.
Drag or copy the photo to paste it into the template.
Adjust the size of the photo to fit your template. Make any final touches on the template. Save the final product as a JPG file.