如何尋找 Windows 10 Pro 產品金鑰 (快速可靠的方法)

Losing your Windows 10 Pro product key can be frustrating — especially when reinstalling Windows or upgrading your PC.
Fortunately, there are several reliable ways to find it again. This guide covers how to locate your Windows 10 Pro product key manually and how to instantly recover it using Magic Recovery Key, a professional tool that securely retrieves product keys from your system or old drives in just a few clicks.
支援 Windows 7/8/10/11 和 Windows Server
目錄
Why You Need Your Windows 10 Pro Product Key
Your Windows 10 Pro product key is essential for:
Activating or reinstalling Windows
Transferring your license to a new computer
Verifying your system’s authenticity
Avoiding activation errors after hardware changes
Without a valid key, you may lose access to updates or encounter activation warnings. That’s why backing up or recovering your product key before reinstalling Windows is crucial.
Method 1: Instantly Recover Your Product Key with Magic Recovery Key
的 fastest and most reliable way to find your Windows 10 Pro product key 是透過使用 Magic Recovery Key — an automatic product key finder designed to recover lost or hidden license information from your system or external drives.
如何運作:
1.下載並安裝 Magic Recovery Key from AMagicSoft.com.
支援 Windows 7/8/10/11 和 Windows Server
2. Click “Registry Keys” tab under “Local”.

3. On the right panel, view the Applications Registry Keys. Magic Recovery Key will display all keys for installed software. Select and copy the targeted serial numbers. Additionally, you have the option to click either “複製”「 或 」“節省” 以方便您使用。.

Method 2: Find Your Product Key Using Command Prompt
If your Windows system is still running normally, you can also check the product key via Command Prompt.
Steps:
新聞 Windows + R, 類型
cmd, and press 輸入.Run this command:
wmic path SoftwareLicensingService get OA3xOriginalProductKeyYour Windows 10 Pro product key will appear on screen.
This works mainly for OEM licenses stored in your computer’s BIOS.
Method 3: Retrieve Your Product Key from the Windows Registry
Advanced users can also locate the key inside the Windows Registry.
Steps:
新聞 Windows + R, 類型
regedit, and press 輸入.導覽到
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatformLook for the value BackupProductKeyDefault — this is your product key.
However, if the field is blank or missing, your system might use a digital license instead. In such cases, Magic Recovery Key remains the most effective recovery solution.
Back Up and Protect Your Product Key
Once you’ve found your Windows 10 Pro product key, make sure you back it up securely:
Save it in an encrypted password manager
Write it down and store it safely
Keep a copy using Magic Recovery Key’s “Export” function
This ensures that even after reinstalling Windows or replacing hardware, you can easily reactivate your system.
總結
Your Windows 10 Pro product key is essential for activation, reinstallation, and system migration. While you can find it manually using Command Prompt or the Registry, these methods don’t always work — especially on reinstalled or non-bootable systems.
That’s why Magic Recovery Key is the smartest choice. It instantly detects and recovers all your Windows and software license keys, helping you stay prepared for any system recovery or upgrade.
支援 Windows 7/8/10/11 和 Windows Server
常見問題 (FAQ)
Q1: Can Magic Recovery Key recover a Windows 10 Pro product key from a non-booting PC?
Q2: Is Magic Recovery Key safe to use?
Q3: What if my Windows 10 Pro uses a digital license instead of a traditional key?
Erin Smith 是 Amagicsoft 公認最專業的作家之一。過去 10 年來,她不斷磨練自己的寫作技巧,幫助數百萬讀者解決技術問題。.



