Because this is a volume-licensed product, there are only two official ways to legally download the ISO:
If you are a developer or have a paid subscription, you can download the 64-bit ISO directly from the subscriber portal. Download W81 Enterprise x64 ISO
Looking for a can be a bit tricky because, unlike the "Home" or "Pro" versions, the Enterprise edition was never meant for general consumer purchase. It was designed specifically for large organizations and IT professionals. What is Windows 8.1 Enterprise? Because this is a volume-licensed product, there are
Even with a clean ISO, you still need a valid KMS or MAK volume license key to activate the software. A standard Pro or Home key will not work. Recommended Alternative What is Windows 8
The ability to boot and run Windows from a USB drive.
Windows 8.1 Enterprise includes all the features of Windows 8.1 Pro, plus premium features designed for business mobility, security, and management. Notable additions include:
If you are an individual user looking for a stable version of Windows 8.1, it is highly recommended to use the (or the official Microsoft download page) to get the Pro version. It offers nearly all the same features for a single user and is much easier to activate and support.