Drag and drop your high-resolution portrait into the new window. Scale it so the head and shoulders fit within the guides.
Take your saved JPEG to any photo kiosk (CVS, Walgreens, Walmart). Select the option. Do not select the "Passport" option on the machine, or it will charge you the higher rate. Since you did the work in Photoshop, a standard 4x6 print will come out with 8 perfectly sized photos. If you'd like, I can help you with: 8 passport size photo psd file download free