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The PCKEY.NET Knowledge Base
Step-by-step guides for activating Windows and Office, managing licenses, comparing editions and fixing the problems that come up most.
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Activation & Installation
Step-by-step guides for activating and installing Windows, Office and more.
How to Activate Windows 11 with a Product Key
How to Activate Windows 10 with a Product Key
+6 more articles
License Management
License types, transfers, checks and server licensing — explained clearly.
Windows License Types Explained: Retail, OEM and Volume
Office License Types: Perpetual vs Subscription (Microsoft 365)
+5 more articles
Product Guides & Comparisons
Windows 11 vs 10, Office editions, system requirements and more.
Windows 11 System Requirements (Full Checklist)
Windows 10 End of Support: What It Means for You
+5 more articles
Troubleshooting & Technical Support
Fix activation, update, Outlook, Teams and installation problems.
Fix Office Activation After Reinstalling Windows
Fix Windows Update Stuck or Failing
+5 more articles
Billing & Orders
Orders, invoices, payments, refunds and replacement keys.
Where Is My Order Email?
Understanding Your PCKEY.NET Invoice
+4 more articles
Security & Genuine Licensing
Why genuine licenses matter, gray-market risks and safe buying.
Why Genuine Microsoft Licenses Matter
The Risks of Cheap Gray-Market Keys
+3 more articles
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