If you need a permanent "full" version rather than a trial, the most reliable method is to create the VHD yourself using an official ISO. This ensures the installation is clean and supports your specific license key.
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Official full Windows 10 Virtual Hard Disk (VHD) downloads are primarily available through the Microsoft Evaluation Center If you need a permanent "full" version rather
Microsoft provides pre-configured virtual machines for developers that include Windows 10 and various developer tools. Windows Dev Center Virtual Machines windows 10 vhd download full