Shopping Cart
Your cart is empty
Add some Microsoft licenses to get started!
Shopping Cart
Your cart is empty
Add some Microsoft licenses to get started!
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.
Browse by topic
Choose a category — every guide is written to be followed in minutes.
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
Didn't find your answer?
Our support team helps with activation, installation and licensing 24/7 — usually within minutes.