Windows 10 Professional is the business-grade edition of Microsoft's most widely used desktop operating system. It includes everything in Windows 10 Home and adds the security, remote access and management tools that professionals, freelancers and small businesses rely on. Order your Windows 10 Pro product key from Mcdkeys and receive it by email, ready to activate on one PC.
Buy a Windows 10 Professional Product Key with Instant Digital Delivery
There is no box and no shipping to wait for. After checkout, your 25-character Windows 10 Pro activation key is sent to your inbox, usually within minutes. Use it to activate a fresh installation or to upgrade an existing Windows 10 Home PC to Pro without reinstalling.
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Product: Microsoft Windows 10 Professional (Windows 10 Pro)
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Licence: one-time purchase for 1 PC, no subscription or renewal fees
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Delivery: digital product key sent by email
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Architecture: 32-bit and 64-bit
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Language: multilingual, change the display language at any time
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Support: installation and activation help by email and live chat
Key Features of Windows 10 Pro
Built-in security and encryption
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BitLocker and BitLocker To Go: encrypt internal drives and USB sticks so your data stays protected if a device is lost or stolen.
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Microsoft Defender Antivirus: real-time protection against viruses, ransomware and spyware, included at no extra cost.
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Windows Hello: sign in with your face, fingerprint or a PIN on supported hardware.
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Windows Sandbox: open untrusted files and apps in an isolated, disposable desktop.
Remote work and business management
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Remote Desktop: connect to your Windows 10 Pro PC from another computer, tablet or phone.
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Domain Join and Microsoft Entra ID: connect to your company network, school or cloud directory.
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Group Policy: control settings, updates and user permissions across your devices.
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Assigned Access: lock a PC to a single app for kiosks, reception desks and point-of-sale screens.
Virtualization and performance
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Hyper-V: create and run virtual machines to test software or use other operating systems side by side.
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Workstation-class hardware support: up to 2 TB of RAM and two physical processors.
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DirectX 12 and Game Mode: smooth performance for creative apps and gaming.
Everyday productivity
- The familiar Start menu, taskbar and File Explorer.
- Snap layouts and virtual desktops for effortless multitasking.
- Microsoft Edge browser and broad compatibility with existing software, printers and peripherals.
Windows 10 Pro vs Windows 10 Home
| Feature |
Windows 10 Home |
Windows 10 Pro |
| BitLocker drive encryption |
No |
Yes |
| Remote Desktop (host) |
No |
Yes |
| Hyper-V virtual machines |
No |
Yes |
| Group Policy and Domain Join |
No |
Yes |
| Windows Sandbox |
No |
Yes |
| Maximum RAM |
128 GB |
2 TB |
Only need the essentials? See our Windows 10 Home product key. Have a newer PC? Browse Windows 11 licences.
Who Should Choose Windows 10 Professional?
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Small businesses and freelancers who need encryption and remote access to client work.
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IT professionals and developers who run virtual machines or join company domains.
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PC builders and upgraders activating a new build or moving up from Windows 10 Home.
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Owners of older hardware that does not meet Windows 11 requirements.
Windows 10 Pro System Requirements
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Processor: 1 GHz or faster processor or System on a Chip (SoC)
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Memory: 1 GB RAM (32-bit) or 2 GB RAM (64-bit)
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Storage: 32 GB or larger hard drive or SSD
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Graphics: DirectX 9 or later with WDDM 1.0 driver
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Display: 800 x 600 resolution or higher
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Internet: required for activation and updates
How to Activate Windows 10 Professional
Activate an existing Windows 10 Pro installation
- Open Settings and go to Update & Security, then Activation.
- Select Change product key.
- Enter the 25-character key from your order email and select Next.
- Select Activate. Windows confirms activation online within moments.
Upgrade from Windows 10 Home to Pro
Follow the same steps on your Windows 10 Home PC. Once the key is accepted, Windows unlocks the Pro features and restarts. Your files, apps and settings stay in place.
Clean install on a new PC
Download the official Windows 10 installation media from Microsoft's website, create a bootable USB drive, choose Windows 10 Pro during setup and enter your product key when prompted.
Windows 10 Support Status
Microsoft ended standard support for Windows 10 on 14 October 2025. Your licence continues to activate and run Windows 10 Pro, and Microsoft offers a separate Extended Security Updates (ESU) programme for PCs that need security patches beyond that date. If your hardware meets the Windows 11 requirements, an activated Windows 10 Pro PC can be upgraded to Windows 11 Pro through Windows Update.
Windows 10 Professional FAQ
Is this a genuine Windows 10 Pro product key?
Yes. You receive an authentic Microsoft Windows 10 Professional key that activates directly with Microsoft's activation servers.
How will I receive my Windows 10 Pro key?
By email. Most orders arrive within minutes of payment confirmation. If you cannot find it, check your spam folder or contact support@mcdkeys.com with your order number.
Can I use this key to upgrade from Windows 10 Home to Pro?
Yes. Enter the key under Settings, Update & Security, Activation, Change product key. No reinstall is needed.
Does the key work for both 32-bit and 64-bit?
Yes. One key activates either the 32-bit or the 64-bit version of Windows 10 Pro.
On how many PCs can I use the licence?
One key activates one PC. For multiple computers, order one key per device or email us for bulk pricing.
Is this a subscription?
No. It is a one-time purchase with no monthly or yearly fees.
Is Windows 10 still supported?
Standard support ended in October 2025. Windows 10 Pro still works, and Microsoft's Extended Security Updates programme is available separately for continued security patches.
What if my key does not activate?
Contact our support team by email or live chat and we will help you resolve it. Our Refund Policy explains your options in full.
Compare Other Windows 10 Licences
Browse all Windows 10 product keys.
