Buy a genuine Windows 11 Professional 5-PC retail product key for activation on up to five separate PCs. This licence is ideal for small businesses, home offices, households and power users who want the full Windows 11 Pro feature set on multiple compatible devices.
Your Windows 11 Pro 5-PC key, official Microsoft download guidance and clear installation and activation instructions are normally delivered by email within 5 minutes after payment confirmation.
All five activations should be completed within 30 days of purchase.
Need a licence for just one PC? View our Windows 11 Professional 1-PC Licence.
Windows 11 Professional is the business-grade edition of Windows 11, including everything in Windows 11 Home plus advanced tools for security, remote access and device management.
The 5-PC retail key allows activation on up to five compatible PCs using one product key, making it suitable for small teams, home offices, families and users managing several computers.
Windows 11 Pro includes features such as BitLocker drive encryption, Remote Desktop host access, Group Policy Editor, Hyper-V virtualisation and enhanced business security.
For a complete productivity setup on each PC, you can also add Microsoft Office 2024 Professional Plus.
One product key provides up to five separate Windows 11 Pro activations.
A Windows 11 Professional Retail licence rather than an OEM licence.
No monthly subscription or recurring licence fees.
Activate Windows securely through Microsoft’s activation system.
Key and instructions are normally emailed within 5 minutes after payment confirmation.
Installation and activation support is included when required.
Each activation is for one device. Reinstallation on the same machine is usually supported. Significant hardware changes or moving the licence to a different PC may require reactivation or further assistance.
This multi-device Windows 11 Pro licence is particularly suitable if you:
Windows 11 Pro includes Windows 11 Home features plus additional tools designed for professional and business use.
| Feature | Windows 11 Home | Windows 11 Pro |
|---|---|---|
| Everyday Windows features | Yes | Yes |
| BitLocker | No | Yes |
| Remote Desktop host | No | Yes |
| Group Policy Editor | No | Yes |
| Hyper-V | No | Yes, on supported hardware |
If you simply use your PC for everyday home tasks and do not need business features such as BitLocker or Remote Desktop, Windows 11 Home may be suitable instead.
Please ensure each PC meets Microsoft’s Windows 11 system requirements before purchase.
After payment confirmation, you will normally receive your Windows 11 Professional 5-PC product key, official Microsoft download guidance and clear step-by-step installation instructions by email within 5 minutes.
If Windows 11 Pro is already installed on a compatible PC, the product key can be used to activate the matching Windows 11 Pro installation.
If Windows is not installed, use the official Microsoft download guidance supplied with your order to complete a clean Windows 11 Pro installation and then enter the product key to activate Windows.
If your compatible PCs currently have an activated version of Windows 11 Home, the Retail licence can be used to upgrade them to Windows 11 Pro without performing a clean installation.
On each device, enter the Windows 11 Pro Retail product key through Settings → System → Activation and follow the Windows upgrade process.
This product provides up to five separate PC activations. All five activations should be completed within 30 days of purchase.
Activate Windows 11 Professional on up to five compatible PCs with one Retail product key.
Buy Now – 5-PC LicenceNo. This Windows 11 Professional 5-PC Retail key is a one-time purchase with no monthly or annual subscription fees.
You can activate up to five separate PCs using this product key. Each activation counts as one PC.
Yes. All five activations should be completed within 30 days of purchase. We recommend installing and activating the product as soon as possible so that any activation problem can be identified promptly.
Reinstallation on the same hardware is usually supported. Significant hardware changes may require reactivation, and our support team can advise if assistance is required.
Yes. The key can be used to activate Windows 11 Professional following a clean installation on a compatible PC. Official Microsoft download guidance and installation instructions are supplied with your order.
Yes. On a compatible PC with an activated Windows 11 Home installation, enter the Retail product key through Settings → System → Activation and follow the Windows upgrade process.
Your product key, official Microsoft download guidance and installation instructions are normally delivered by email within 5 minutes after payment confirmation.
Responsive UK-based technical support is included with your purchase. If you experience an installation or activation problem, our support team will help identify the issue and guide you through the necessary steps.
Report an eligible activation issue within 28 days of purchase. If the EcoKeys support team cannot resolve the problem, a replacement or refund will be provided in accordance with the Activation Guarantee.
Choose the Windows 11 Professional 5-PC Retail licence for up to five compatible PCs. Your product key, official Microsoft download guidance and step-by-step instructions will be delivered by email after payment confirmation.
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Fast Digital Delivery – Product keys, download guidance and order information are normally sent by email within 5 minutes after payment confirmation.
12-Month Support Warranty – Installation, activation, reinstallation and eligible reactivation support is included for 12 months from purchase.
28-Day Activation Guarantee – Activation protection for eligible issues reported within 28 days of purchase.
Clear Payment Instructions – Payment options and instructions are provided separately after checkout.
