Windows 11 Professional Retail Key

A Windows 11 Professional retail key activates Microsoft's current business-ready operating system on one PC. Windows 11 Pro combines a faster, cleaner desktop with the security and management tools professionals need, including BitLocker, Remote Desktop and Hyper-V. Order from Mcdkeys and your key arrives by email, ready for online activation.

Buy a Windows 11 Pro Retail Key with Instant Digital Delivery

There is nothing to ship. After checkout, your 25-character Windows 11 Pro product key is sent to your inbox, usually within minutes. Use it on a fresh installation, to activate an unactivated copy of Windows 11 Pro, or to upgrade a Windows 11 Home PC to Pro.

• Product: Microsoft Windows 11 Professional retail product key
• Licence: one-time purchase for 1 PC, no subscription and no expiry
• Licence type: retail, can be moved to a replacement PC
• Activation: automatic online activation
• Delivery: digital key sent by email
• Architecture: 64-bit
• Language: multilingual

Key Features of Windows 11 Pro

Security built in

• BitLocker and BitLocker To Go: encrypt internal drives and USB storage so lost devices do not expose your data.
• TPM 2.0 and Secure Boot: hardware-level protection against firmware and boot attacks.
• Windows Hello: sign in with your face, fingerprint or a PIN.
• Microsoft Defender Antivirus and Smart App Control: real-time protection included at no extra cost.
• Windows Sandbox: open untrusted files and apps in an isolated, disposable desktop.

Tools for business and remote work

• Remote Desktop: connect to your Pro PC from another computer, tablet or phone.
• Group Policy: control settings, updates and permissions.
• Domain Join and Microsoft Entra ID: sign in to company networks and cloud directories.
• Assigned Access: lock a PC to one app for kiosks and counters.

Virtualization and performance

• Hyper-V: create and run virtual machines.
• High-end hardware support: up to 2 TB of RAM and two physical processors.
• DirectX 12 Ultimate, Auto HDR and DirectStorage: better visuals and faster loading on supported hardware.

A more productive desktop

• Redesigned Start menu and taskbar: a simpler layout that keeps your apps and files close.
• Snap layouts and Snap groups: arrange several windows in one click and return to them later.
• Virtual desktops: separate spaces for work, study and personal use.
• Widgets and Microsoft Edge: news, calendar and a fast, secure browser built in.

Windows 11 Pro vs Windows 11 Home

Only need the essentials? See our Windows 11 Home key.

Who Should Choose Windows 11 Professional?

• Small businesses and freelancers who handle client data and work remotely.
• IT professionals and developers who use virtual machines and company domains.
• PC builders activating a new system.
• Windows 11 Home users who want to move up to Pro.

Windows 11 Pro System Requirements

• Processor: 1 GHz or faster, 2 or more cores, compatible 64-bit processor or SoC
• Memory: 4 GB RAM or more
• Storage: 64 GB or larger
• Firmware: UEFI with Secure Boot
• TPM: Trusted Platform Module 2.0
• Graphics: DirectX 12 compatible with WDDM 2.0 driver
• Display: 720p, larger than 9 inches, 8 bits per colour channel
• Internet: required for activation, updates and first-time setup

How to Activate Windows 11 Professional

Activate an existing Windows 11 Pro installation

1. Open Settings, then System, then Activation.
2. Select Change product key.
3. Enter the 25-character key from your order email and select Next.
4. Select Activate. Windows confirms activation online within moments.

Upgrade from Windows 11 Home

Follow the same steps on your Windows 11 Home PC. Windows unlocks the Pro features and restarts, keeping your files, apps and settings.

Clean install on a new PC

Download the official installer from Microsoft's Windows 11 download page, create a bootable USB drive, choose Windows 11 Pro during setup and enter your key when prompted.

Windows 11 Professional Retail Key FAQ

Is this a genuine Windows 11 Pro key?

Yes. You receive an authentic Microsoft Windows 11 Professional key that activates directly with Microsoft's activation servers.

Does the licence expire?

No. It is a one-time purchase. Once activated, Windows 11 Pro stays activated with no renewal.

On how many PCs can I use the key?

One key activates one PC. For several computers, see our 5 PC licence below.

What is the difference between a retail and an OEM key?

Both unlock the same Windows 11 Pro. A retail licence can be transferred to a replacement PC, while an OEM licence stays with the first PC it activates.

Can I upgrade from Windows 10 Pro?

If your PC meets the Windows 11 requirements, upgrade through Windows Update or Microsoft's installer, then activate with this key if needed.

How will I receive my key?

By email after payment is confirmed. Check your spam folder if it does not arrive, or contact support@mcdkeys.com with your order number.

What if my key does not activate?

Contact our support team by email or live chat and we will help. Our Refund Policy explains your options in full.

Compare Other Windows 11 Licences

• Windows 11 Pro OEM key: lower-cost Pro for a new build or a PC you plan to keep.
• Windows 11 Pro 5 PC retail licence: one key for up to five computers.
• Windows 11 Pro phone activation key: the lowest-priced Pro option, activated manually.
• Windows 11 Home to Pro upgrade: for PCs already running Windows 11 Home.
• Windows 11 Enterprise key: adds AppLocker, Credential Guard and DirectAccess.

Browse all Windows 11 product keys.