If you're unable to download the ISO file from Microsoft or prefer a different source, you can try:
Here’s a clear, step-by-step write-up on obtaining an official Windows 8.1 ISO download. iso download for windows 8.1
Finding an ISO for Windows 8.1 requires a bit more digging than it used to, but the official files are still hosted by Microsoft. The process is driven by the , and the main barrier to entry remains possession of a valid Product Key. For anyone looking to revive an older machine, following the official route ensures a clean, virus-free installation. If you're unable to download the ISO file
If you search for "Windows 8.1 ISO download," you will inevitably stumble upon "software archive" sites. you can try: Here’s a clear