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Buy a genuine Windows 11 Pro key for one PC
Buy a genuine Windows 11 Pro key for one PC as a one-time payment – no subscription, no renewal. The product key, Microsoft’s official download link and a step-by-step guide are sent to your email in about 60 seconds after payment, 24/7. Every key is covered by our lifetime activation guarantee: if it ever fails to activate – even after a reinstall or a PC reset – you choose a new key or a refund. Windows 11 Pro adds BitLocker drive encryption, Remote Desktop hosting, Hyper-V and domain join to everything Windows 11 Home offers.
What is included in your Windows 11 Pro key
- A full version of Windows 11 Pro for one PC – a genuine product key that activates directly with Microsoft
- BitLocker drive encryption for the whole system drive
- Remote Desktop as host, Hyper-V and the option to join a domain
- All Windows 11 feature updates during the support period
- Microsoft’s official download link and a step-by-step activation guide by email
Who the Windows 11 Pro licence is for
For anyone who uses their PC for work: home office with access to a company network, sensitive data on the device, or virtual machines. For private use, Windows 11 Home is entirely sufficient.
Windows 11 Pro vs Windows 11 Home
Both editions share the same desktop, Windows Update, Windows Security and the Microsoft Store. Windows 11 Pro adds the features business machines need: BitLocker drive encryption, Remote Desktop as a host, Hyper-V virtualisation, Group Policy and domain join. If you only browse, work in Office, stream and play, the Windows 11 Home key is the cheaper choice; if you work from home on a company network or handle sensitive data, choose Pro. Our guide Windows 11 Pro vs Home – which licence should you buy? goes through the differences in detail.
Delivery: your Windows 11 Pro product key by email in about 60 seconds
Your Windows 11 Pro product key and the download link are sent to the email address you use at checkout, straight after your payment is confirmed – usually within about 60 seconds, around the clock. A step-by-step activation guide comes with it, and if a key ever fails to activate we replace it free of charge or refund you – your choice, for the lifetime of the licence.
Good to know before you buy Windows 11 Pro
Windows 11 has hardware requirements – among them TPM 2.0, Secure Boot and a supported processor. Please check that your PC meets them before you buy; the licence cannot lift those requirements. The key activates one PC and stays with that machine, so a reinstall or a reset of the same PC is covered.
Windows 11 Pro key: frequently asked questions
What is the difference between Windows 11 Pro and Windows 11 Home?
Windows 11 Pro includes everything in Windows 11 Home and adds BitLocker drive encryption, Remote Desktop as a host, Hyper-V virtualisation, Group Policy and the ability to join a company domain. Home is enough for browsing, office work, media and gaming on a private PC. If you work from home on a company network, handle sensitive data or run virtual machines, Pro is the edition to choose; our guide to Windows 11 Pro vs Home goes through the differences in detail.
Can I use this key to upgrade from Windows 11 Home to Windows 11 Pro?
Yes. Open Settings › System › Activation, select Change product key and enter the 25-character Windows 11 Pro key from your email. Windows then upgrades the edition in place and restarts; as with any system change, take a backup first. The key arrives in about 60 seconds after payment, so the upgrade can be done the same day.
Can I upgrade a Windows 10 PC to Windows 11 Pro with this key?
Yes, provided the PC meets the Windows 11 hardware requirements. Install Windows 11 with Microsoft’s official installer from the download link in your email – the in-place upgrade lets you keep your files and applications – and enter the Windows 11 Pro key when asked, or afterwards under Settings › System › Activation. If the compatibility check fails, write to us before ordering and we will tell you honestly whether the upgrade is worth attempting.
What are the hardware requirements for Windows 11 Pro?
Microsoft requires a compatible 64-bit processor running at 1 GHz or faster with two or more cores, 4 GB of RAM, 64 GB of storage, UEFI firmware that is Secure Boot capable, TPM 2.0, DirectX 12-compatible graphics and a 720p display larger than 9 inches. Microsoft’s PC Health Check app tells you whether your PC qualifies. A licence key cannot lift these requirements, so please check them before you buy.
Will my Windows 11 Pro key still work after a reinstall or a PC reset?
Yes. The licence belongs to the PC it was activated on, so you can reinstall Windows 11 Pro on the same machine and enter the key again if Windows asks for it. If the key ever fails to activate – even after a reinstall or a PC reset – our lifetime activation guarantee applies: you choose a new key or a refund, in addition to your statutory rights.
Do I need a Microsoft account to activate Windows 11 Pro?
Activation itself only needs your product key and an internet connection. Microsoft does require internet access and a Microsoft account during the initial set-up of Windows 11 Home and of Windows 11 Pro for personal use. Linking the licence to your Microsoft account is worth doing anyway, because it makes reactivation easier after a hardware change such as a new motherboard.
Can I do a clean installation of Windows 11 Pro with this key?
Yes. Use Microsoft’s Media Creation Tool from the link in your email to create a bootable USB stick, choose Windows 11 Pro during set-up and enter your key when prompted or later under Settings › System › Activation. A clean install erases the drive, so back up your files first. If you would rather keep your programs, run the in-place upgrade instead.
How much does a Windows 11 Pro key cost?
The price shown on this page is the full price for one PC – a one-time payment with no subscription, no renewal and no shipping, because the key and the download link arrive by email. For reference, Microsoft’s own UK store listed Windows 11 Pro at £219.99 on 6 October 2026. Every key we sell is a genuine, unused product key that activates directly with Microsoft’s activation servers, and you receive an invoice with your order.
