This is a digital product and no physical media will be sent. Standard Windows 10 support ended on 14 October 2025. Please review the support information in the description before purchase.
Buy a Windows 10 Pro product key for one compatible PC, with support for either a 32-bit or 64-bit installation. Your retail product key, official Microsoft download guidance and clear installation and activation instructions are delivered digitally by email, with responsive UK-based support included.
This licence can be used for a clean installation of Windows 10 Professional or to upgrade an activated Windows 10 Home installation to Windows 10 Pro without reinstalling Windows. It includes professional features such as BitLocker drive encryption, Remote Desktop host access, Group Policy, Hyper-V and domain-join support.
Important Windows 10 support notice: standard Microsoft support for Windows 10 ended on 14 October 2025. Windows 10 will continue to operate, but free security updates, feature updates and Microsoft technical support are no longer normally supplied. Eligible Windows 10 version 22H2 personal devices may enrol in Microsoft’s Consumer Extended Security Updates programme, which runs until 13 October 2026.
A Windows 10 Pro retail product key for activation on one compatible PC.
Use the key with the appropriate Windows 10 Pro installation architecture for your PC.
Your key and instructions are sent by email after your order has been processed.
Clear instructions are supplied for downloading Windows through Microsoft.
Activate Windows securely online using the supplied 25-character product key.
Responsive assistance is included for installation and activation problems.
This is a digital product. No disc, USB drive or physical packaging will be posted.
Yes. This product provides a Windows 10 Professional retail key for one compatible PC. It is a one-time purchase and does not require a monthly or annual subscription.
Reinstallation on the same PC is normally possible. A significant hardware change, particularly replacing the motherboard, may affect activation or require further assistance.
Windows 10 Pro may still be appropriate when:
Does your PC support Windows 11? For a compatible modern PC, Windows 11 Pro is the better long-term choice because Windows 10 has reached the end of standard support.
BitLocker can encrypt a compatible drive to help protect its contents if the computer is lost, stolen or accessed without authorisation.
Windows 10 Pro can act as a Remote Desktop host, allowing an authorised user to connect to the PC remotely from another supported device.
Group Policy provides additional control over Windows settings, security rules, user accounts and connected devices.
Hyper-V allows supported PCs to create and run virtual machines for testing, development or isolated workloads.
Windows 10 Pro includes features for connecting compatible PCs to workplace domains and centrally managed business environments.
On supported systems, Windows Sandbox provides a temporary isolated desktop for testing an application or file separately from the main Windows installation.
| Feature | Windows 10 Home | Windows 10 Pro |
|---|---|---|
| Everyday Windows features | Yes | Yes |
| BitLocker | No | Yes |
| Remote Desktop host | No | Yes |
| Group Policy | No | Yes |
| Hyper-V | No | Yes, on supported hardware |
| Domain join | No | Yes |
For basic home use without the professional features above, Windows 10 Home may be sufficient.
These are minimum requirements only. Some Windows 10 Pro features require additional hardware, firmware or network capabilities. Check the computer manufacturer’s specifications before purchasing.
Most modern PCs should use the 64-bit edition because it supports more memory and is better suited to current hardware and software. The 32-bit edition is mainly relevant to older systems with limited memory or specific legacy compatibility requirements.
Changing from 32-bit Windows to 64-bit Windows requires a clean installation. This removes installed applications and can remove personal files, so create a complete backup before starting.
Your order includes the product key, Microsoft download guidance and clear step-by-step instructions. The installation method depends on whether Windows is already installed.
A clean installation can remove files, applications and settings. Confirm that everything important has been backed up before proceeding.
When reinstalling Windows, the edition selected must match the licence. Install Windows 10 Pro rather than Windows 10 Home before entering the Pro product key.
An activated Windows 10 Home installation can normally be upgraded to Windows 10 Pro without formatting the drive or reinstalling applications.
Your existing files and installed applications should remain in place during an edition upgrade, although keeping a current backup is always recommended.
Before entering the key, check that the installed edition is Windows 10 Pro. A Windows 10 Pro key will not directly activate an installation that still shows Windows 10 Home unless the edition-upgrade process is completed.
Yes. The licence is supplied for activation on one compatible PC.
Yes. The product key is for the Windows 10 Pro edition. You select the appropriate 32-bit or 64-bit installation for your compatible PC. Changing an existing 32-bit installation to 64-bit requires a clean installation.
Standard Microsoft support for Windows 10 ended on 14 October 2025. Windows 10 continues to operate, but normal free security updates, feature updates and Microsoft technical assistance are no longer supplied.
Microsoft’s Consumer Extended Security Updates programme provides eligible Windows 10 version 22H2 personal devices with critical and important security updates until 13 October 2026. It does not provide new features or general technical support, and enrolment is separate from this Windows 10 Pro licence.
Yes. An activated Windows 10 Home installation can normally be upgraded by entering the Windows 10 Pro product key in Activation settings. Files and installed applications should remain in place, although a backup is recommended.
Reinstallation on the same PC is normally possible. Install the same Windows edition and use the original activation details. A significant hardware change may affect activation.
A retail licence can be more flexible than an OEM licence, but it may be active on only one PC at a time. The licence must be removed from the previous device, and transfer or reactivation can depend on the original activation state and hardware changes.
No. This is a digital product. The product key, download guidance and installation instructions are supplied by email.
Choose Windows 11 Pro when the PC is fully compatible and you want a currently supported operating system. Windows 10 Pro is mainly appropriate for compatible older hardware, legacy software or specialist environments that still require Windows 10.
Your Windows 10 Pro key and instructions are delivered digitally after the order and payment have been processed. Check the inbox and junk or spam folders of the email address used for the order.
For compatible PCs, review the Windows 11 Pro product page. You can also compare all available editions in our Microsoft Windows keys category.
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Instant Delivery – Download links and order information are sent by email after purchase.
Free Support – Helpful support is included with every order.
28-Day Activation Guarantee – If we cannot resolve an activation issue, we will provide a full refund under our Refund Policy.
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