You will see two options: 32-bit Download or 64-bit Download . Choose 64-bit if your computer has 4 GB of RAM or more. Choose 32-bit for older systems with less RAM.
If you need to reinstall Windows 8.1, create a bootable USB drive, or run it in a virtual machine, you’ll want the official disc image (ISO file) directly from Microsoft. Unlike third-party websites, Microsoft’s source is secure, virus-free, and legitimate. download windows 8.1 disc image -iso file- - microsoft
Microsoft often removes direct download links for older operating systems. However, we've managed to find some working links for you: You will see two options: 32-bit Download or 64-bit Download