Windows 10 Pro Key – Retail Digital License (Email Delivery)
The Windows 10 Pro Key you receive is a genuine retail digital license sent by email. Activate one PC securely, link the license to your Microsoft account for easier reactivation after hardware changes, and access the full Windows 10 Pro feature set without delay.
Browse our Software category, compare
Windows 10 & 11 keys, or see the
Windows 11 Pro Retail Key.
Why choose a genuine Windows 10 Pro Key?
- Retail digital license: one device activation with a legitimate Microsoft product key.
- Instant email delivery: start setup immediately after purchase confirmation.
- Secure activation: activation occurs online through Microsoft servers.
- Easier reactivation: linking to your Microsoft account helps after major hardware changes.
- Clear edition match: Pro keys activate the Pro edition only.
Windows 10 Pro Retail Key Digital License: activation methods
Digital license
If your device has a digital entitlement, sign in with your Microsoft account and activation should complete automatically once online.
25-character product key
Enter the key in Settings → Update & Security → Activation → Change product key and follow the prompts.
Edition & troubleshooting tips
Make sure you are on the Pro edition (or upgrading from Home to Pro with a valid Pro key). For reactivation after a motherboard replacement, ensure your license is linked to your Microsoft account and use the Activation Troubleshooter. Learn more in
Microsoft’s activation guide.
Quick start
- Sign in to Windows with your Microsoft account (recommended).
- Open Settings → Update & Security → Activation → Change product key.
- Enter the 25-character key and keep the device online during activation.
- If errors appear, confirm the edition is Pro and run the Activation Troubleshooter.
Technical specifications
Pro Tip
Link your license to your Microsoft account right after activation—this makes future reactivation much easier if you replace major hardware.
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