Before you can boot, you need a USB drive with at least 8 GB of space and a Windows 8.1 ISO file. Install Windows 8 from USB
If you were an IT admin in the Windows 8.1 era, you would use the (included in the Control Panel of Windows 8.1 Enterprise) to image the USB drive. boot windows 8.1 from usb
How do I boot Windows 8.1 from a USB?
Before you can boot, you need a USB drive with at least 8 GB of space and a Windows 8.1 ISO file. Install Windows 8 from USB
If you were an IT admin in the Windows 8.1 era, you would use the (included in the Control Panel of Windows 8.1 Enterprise) to image the USB drive.
How do I boot Windows 8.1 from a USB?