IT professionals and corporate developers with active Microsoft subscriptions can still access legacy downloads and product keys.

Windows Embedded 8.1 Industry Pro is ideal for scenarios requiring a secure and consistent user experience.

wmic path softwarelicensingservice get OA3xOriginalProductKey in a Command Prompt with administrator privileges. Generic Installation Keys These keys allow you to the operating system, but they will not activate it. You must use a genuine license for full functionality: Windows 8.1 Industry Pro NM7RW-W66X6-D6KXH-T9F64-FW9D2 Windows 8.1 Industry Enterprise NMXH9-V6P93-JCXPP-T3P78-6Q63H For legitimate activation assistance, you can visit the Microsoft Support Portal . Using "free" keys from unverified sources on GitHub Gists is generally considered illegal and insecure. Windows Product Keys - GitHub Gist