Windows 10 actually includes the old Windows Photo Viewer, but it is hidden by default. You can re-enable it via a Registry edit.
For users who prefer a simple, built-in solution, the is a suitable option.
Stop fighting with the laggy default app. Install the classic viewer and wonder why Microsoft ever tried to hide it.
A lightweight free alternative also available via the Microsoft Store for those who find the default app too slow. 3. Best Third-Party Photo Viewers