Your best bet is to install the free immediately upon setting up a new Windows 11 PC. If you find the official Photos app too slow, switch to IrfanView for raw speed. And if you are tired of the format war altogether, change your iPhone settings to shoot in JPEG.
A legendary, lightweight image viewer that supports almost every format imaginable.
Help you set up (like OneDrive or iCloud) that converts files for you. Compare XnView MP vs. IrfanView in more detail. heic image viewer windows 11
XnView MP is a powerful, versatile media browser and image viewer that supports over 500 file formats, including HEIC.
If you want to avoid paying for extensions or prefer a more robust tool, several free alternatives are highly recommended: Your best bet is to install the free
If you prefer not to use Microsoft Store extensions or want advanced features, third‑party viewers are excellent alternatives. Here are the best options available in 2026.
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After both extensions are installed, close any open applications, particularly the Photos app . Then, try double-clicking your HEIC file again. It should now open in the Photos app, and you should see thumbnails in File Explorer.
Alternatively, you can use a third-party image viewer that supports HEIC images. Some popular options include: