If you want, I can: 1) provide model-specific steps if you share the exact MR Photo 15 product link or photo, 2) generate app pairing QR instructions, or 3) produce a printable quick-start sheet.

: Right-click the Setup.exe file in your installation folder and select Run as administrator .

If the software feels sluggish, turn off "Automatic Folder Monitoring" and instead manually import your photos.

Elias opened the installation folder: C:\Program Files (x86)\MrPhoto15 . He tried to launch the executable directly. Access denied.