Install the HEIF Image Extensions from the Microsoft Store
Install the HEVC Video Extensions from the Microsoft Store if required
Open the HEIC file with the Photos app
Open the HEIC file with Paint
Open the HEIC file with File Explorer preview after installing the extensions
Convert the HEIC file to JPG or PNG using an online converter
Convert the HEIC file to JPG or PNG using desktop software
Use iMazing HEIC Converter to open or convert HEIC files
Use Adobe Lightroom or Photoshop with HEIC support
Change iPhone camera settings to save photos as JPEG instead of HEIC