To use Windows 10 Enterprise, you must sign into your PC with a Microsoft account.A product key is not required for this software. Upon installation, Windows will prompt you to activate.Back up your files and settings before installing this evaluation. Review resources to guide you through your evaluation.Register, then download and install the full-featured software for a 90-day evaluation.Review the Windows 10 system requirements.Note: Carefully read the information below before you continue with the download.