Converting HEIC to JPG on Windows can be done using built-in apps or third-party software. You can use the "Photos" app by opening the HEIC file and selecting the "Save as" option to save it as a JPG. Alternatively, online converters or software like IrfanView can be helpful. What led you to want to convert HEIC files? Is it for sharing or storage purposes? Let me know if you need further guidance!