Once you've downloaded the Windows 8.1 Pro disc image, you can create a bootable USB drive using the following steps:
If you have a paid company or developer subscription, you can still legally download official Windows 8.1 Pro ISOs (including Core and Enterprise) by logging into my.visualstudio.com and searching the "Downloads" section. Microsoft Evaluation Center: You can still find the Windows Embedded 8.1 Industry Pro Evaluation download windows 8.1 pro disc image -iso file- - microsoft
Historically, Microsoft offered a dedicated "Software Download" page for Windows 8.1. Today, that page redirects to a generic Windows support article. Because Microsoft wants users to upgrade to Windows 10/11. However, the product keys for Windows 8.1 Pro remain valid, and Microsoft still hosts the ISO files—they just hide them behind a verification process. Once you've downloaded the Windows 8
There are several reasons why you might want to download the Windows 8.1 Pro disc image: Because Microsoft wants users to upgrade to Windows 10/11
You have your ISO—now what? You need to turn it into installation media.