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產品金鑰是 25 個字元的代碼,用於啟用 Windows 且有助於確認目前安裝 Windows 的電腦並未超過 Microsoft 軟體授權條款允許的數目。

Windows 11 Windows 10:在大多數情況下,Windows 11 Windows 10會使用數位授權自動啟用,而且不需要您輸入產品金鑰。 不過,如果需要產品金鑰,通常可以在您購買產品後收到的確認電子郵件Windows,或是在Windows方塊中找到。 Microsoft 不會保留已購買產品金鑰的記錄,請流覽 Microsoft 支援網站以深入瞭解如何啟用Windows。

Windows 7 和 Windows 8.1:產品金鑰通常位在購買 Windows 後收到的確認電子郵件中,或在 Windows 的包裝盒中。 

深入瞭解如何尋找 Windows 7 或 Windows 8.1金鑰

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