Free software that can be used to open Photoshop PSD files in Windows and also convert to other file extensions like JPEG.

Convertio is a free file converter that lets you convert JFIF to JPG, PNG, HDR, PDF, ICO, PSD, WEBP, etc., formats. It lets you batch convert your JFIF images at once.

If you can't seem to save your file as JPEG or PNG in Photoshop, these fixes should do the trick.