[HKEY_CURRENT_USER\Software\Classes.jpg] @="PhotoViewer.FileAssoc.Tiff"
Overview
The quest for a "portable" Microsoft Photo Viewer for Windows 8.1 involves a trade-off between restoring the classic built-in software and using modern, stand-alone third-party alternatives. While Microsoft does not officially offer a standalone "portable" download of its photo viewer, users can either "unlock" the hidden legacy viewer already in the system or use highly efficient third-party portable apps. Restoring the Classic Windows Photo Viewer microsoft photo viewer download for windows 81 portable
If you are one of the millions of users still running Windows 8.1, you have likely encountered a frustrating reality: Microsoft removed the classic as the default image handler. In its place, the company introduced the "Modern" or "Metro" Photos app—a touch-centric, full-screen application that feels clunky with a mouse and keyboard. [HKEY_CURRENT_USER\Software\Classes
To summarize the safest path for Windows 8.1 users: In its place, the company introduced the "Modern"