Before installing, verify that your machine meets the minimum hardware specifications for Windows 8.1:
(For older machines or setups with limited RAM) 64-bit Download (Recommended for most modern systems)
The is the record of Microsoft’s retreat. When you install this image, you aren't getting the radical vision of Windows 8; you are getting the correction. The Start Button is back (mostly). The boot-to-desktop option is restored. The ISO file itself is a snapshot of a tech giant learning humility.
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.