built-in, and you can easily find lightweight, portable alternatives that provide a similar experience without needing installation. Microsoft Learn 1. Use the Built-in Windows Photo Viewer

Since there is no official portable version of the Microsoft viewer, you can use high-quality third-party portable image viewers that do not require installation: JPEGView Portable

Among these, feels most like the original Microsoft Photo Viewer: borderless window, instant open, pure mouse wheel zoom, and true portability.

Since Microsoft Photo Viewer is no longer available as a standalone download for Windows 8.1, you'll need to use a workaround to get it working on your system. Here's a step-by-step guide: