Windows Serverプロダクトキーの見つけ方

If you’re struggling to locate your Windows Server product key—whether for activation, reinstallation, or system maintenance—you’re not alone. A valid 25-character Windows Server product key is essential to unlock full system features and comply with Microsoft’s licensing terms. The good news? You don’t need to waste hours digging through files or emails. Below, we’ll walk you through proven, time-saving methods to retrieve your key, including our top recommendation: Magic Recovery Key, a tool designed to simplify key recovery for all Windows Server versions.
Windows 7/8/10/11およびWindows Serverをサポート
目次
Why Your Windows Server Product Key Matters
アクティベーション: Without a valid key, Windows Server runs in “limited mode” (no critical updates or advanced features).
Reinstallation: Rebuilding or migrating servers requires the key to reactivate.
Compliance: Valid licensing avoids Microsoft compliance issues for commercial use.
How to Find Your Windows Server Product Key (4 Effective Methods)
Method 1: Check Purchase Materials (5 Minutes)
Method 2: Check Windows Server Settings (2 Minutes)
- プレス
Win + Ito open 設定. - こちらへ 更新とセキュリティ > アクティベーション (left menu).
- View:
- Linked Microsoft Account: “Activated with a digital license linked to your account.”
- Local Key: Click “Change product key” to see the last 5 characters (use Magic Recovery Key for the full key).
Method 3: Use Magic Recovery Key (Most Reliable for Lost Keys)
Step-by-Step:
1.ダウンロード&インストール: Get it from amagicsoft.com (supports Windows Server/desktop OS).
Windows 7/8/10/11およびWindows Serverをサポート
2. Scan for Keys: Launch the tool > Under “Local,” click “Registry Keys” (scans for stored product keys in 10–30 seconds).

3. Copy/Save: Select the “Microsoft Windows Server [Version]” entry > Click “Copy” (to clipboard) or “Save” (as a text file).

Why Choose It?
100% compatibility with all Windows Server editions.
No technical skills needed—intuitive interface.
Extra features: Recovers Wi-Fi passwords, BitLocker keys, and browser passwords.
Method 4: Retrieve via PowerShell (For Advanced Users)
- オープン PowerShell as Administrator (
Win + X> “Windows PowerShell (Admin)”). - Paste this command and press Enter:powershell
(Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey - The full key will appear in the window.
Final Tips to Avoid Losing Your Key
Save the key to a password manager or encrypted USB (never on the server itself).
Link digital licenses to your Microsoft Account during setup.
Track keys in a spreadsheet (critical for enterprise environments).
Windows 7/8/10/11およびWindows Serverをサポート
よくある質問
1. What if I get the 0xc004f050 error for my key?
2. Does Magic Recovery Key work on non-bootable servers?
3. Is using Magic Recovery Key legal?
エリン・スミスは、Amagicsoftで最もプロフェッショナルなライターの一人として認められています。過去10年にわたりライティングスキルを磨き続け、何百万人もの読者の技術的な問題解決に貢献してきました。.



