We recommend using the HEIC Converter by 3AM Apps from the Microsoft Store.
The free version allows conversion of up to three images at once.
Follow the link below and click "View in Store"
https://apps.microsoft.com/detail/9P7MZV60FDP7?hl=en-us&gl=US&ocid=pdpshare
Click "Get" in the Microsoft Store window. Give it a minute, and the "Get" button will change to "Open".
The converter may now be found by searching "HEIC" in the Windows Start menu.
You may want to pin it to your start menu or taskbar if converting images is a frequent task.
By default, converted images are saved in the same folder as the original HEIC file. See the next section to change where converted files are saved.
Drag and drop your files from File Explorer into this window.
Click "Convert" and it will take just a moment to process them. Completion is indicated by a green check mark. You can click the file icon next to the checkmark to open the location of the converted image.
To change the location where converted files are saved, click the Settings (gear icon) button, and click the Folder Select button, highlighted below:
Navigate to the folder you want the converted images saved to, then click "Select Folder":