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Used Microsoft Windows 7 Home Premium to Professional Anytime Upgrade

The product is a used Microsoft Windows 7 Home Premium to Professional Anytime Upgrade. It is a retail product with a product key card format, allowing for activation on one computer. The upgrade is from Windows 7 Home Premium to Windows 7 Professional, offering enhanced features and capabilities for a more advanced operating system experience. Ideal for users looking to upgrade their current Windows 7 Home Premium installation to a Professional edition for improved performance and functionality.