DigitalKeyMart brings you the complete guide to activating Windows 10, whether you have a Retail or OEM license. Follow these steps to ensure your system is properly activated and secure.
Understanding Windows 10 Activation
Activating Windows 10 is essential to unlock all features, receive updates, and ensure genuine software. There are two main types of licenses you might encounter:
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Retail License
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OEM License
What is a Retail License?
A Retail license is purchased for one PC, but can usually be transferred to another PC if needed. It is ideal for personal use or upgrading from Home to Pro editions.
Key Features:
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Works with Windows 10 Home and Windows 10 Pro editions.
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Can be activated online or via phone.
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Can be moved to a new PC if the old one is retired.
Recommended Retail Products on DigitalKeyMart:
What is an OEM License?
An OEM license comes pre-installed on a PC or purchased for installation on a new PC. It is tied to the hardware and cannot be transferred to another device.
Key Features:
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Activation is linked with the PC motherboard.
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Cannot be moved to another PC.
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Usually cheaper than Retail licenses.
Recommended OEM Products on DigitalKeyMart:
Step-by-Step Guide to Activate Windows 10
Online Activation (Recommended)
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Click Start → Settings → Update & Security → Activation.
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Select Change product key.
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Enter your Windows 10 license key.
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Click Activate.
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Wait for confirmation that Windows 10 is activated.
Works for both Retail and OEM licenses.
Phone Activation
If online activation fails:
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Go to Start → Settings → Update & Security → Activation → Activate by phone.
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Follow the on-screen instructions.
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Enter the installation ID provided by Windows.
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Microsoft will give you a confirmation ID to activate your copy.
Usually used for Retail licenses only.
Retail vs OEM License: Quick Comparison
| Feature | Retail License | OEM License |
|---|---|---|
| Transferable | ✅ Yes | ❌ No |
| Activation Method | Online / Phone | Online only |
| Suitable for | Personal & small business | Pre-installed or new PC |
| Price | Higher | Lower |
Troubleshooting Activation Issues
If your Windows 10 activation fails:
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Check internet connectivity.
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Make sure you entered the key correctly.
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Verify that your key matches the edition installed.
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Contact Microsoft support if you see error codes like 0xC004F034 or 0xC004C003.
Final Recommendation:
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Always purchase from trusted sellers like DigitalKeyMart.
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Avoid downloading keys from unverified sources.
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Keep your license key safe for future reinstallation.