If you cannot afford a key, download Linux Mint or Ubuntu. They are free, secure, and more modern than Windows 8.1. But if you need Windows 8.1 Pro for legacy software, spend the $30. It is cheaper than recovering from ransomware hidden inside a "free activator."
This article is intended for educational and informational purposes only. Activating Windows without a valid license issued by Microsoft violates the software’s End User License Agreement (EULA). Users should purchase a genuine product key from Microsoft or an authorized retailer to support software development and ensure system security. activate windows 8.1 pro without product key
No. You need a valid, non-used product key to initiate the call. But if you lost your key (but own a license), this activates Windows 8.1 Pro for free. If you cannot afford a key, download Linux Mint or Ubuntu