Hello Divya, I am Henry and I want to help you with your concern.

There are a few different ways to do it depending on your current situation. Here is a guide to help you.

Method 1: Upgrade from Windows 11 Home

If you already have a computer with an activated version of Windows 11 Home, you can purchase an upgrade directly through the Microsoft Store. This method converts your current system to Pro without needing to reinstall anything.

Steps:

  1. Open Settings on your computer.
  2. Go to System and then click on Activation.
  3. Under the "Upgrade your edition of Windows" section, click on Open Store.[link]
  4. You will be taken to the Microsoft Store page for the Windows 11 Pro upgrade. You can complete your purchase there.
  5. After the purchase, the upgrade will begin, and your system will restart with Windows 11 Pro.

Method 2: Buy a Full Digital License from Microsoft

If you are building a new PC or need a new license for a computer that doesn't have one, you can buy a full digital license directly from the official Microsoft website. Buy Windows 11 Pro or Windows 11 Pro

On this page, you can purchase a digital download of Windows 11 Pro. After your purchase, you will receive a product key that you can use to activate Windows during or after installation.

Key Differences Between an Upgrade and a Full License

  • Upgrade License: This is tied to the hardware of the PC you upgrade. It's generally not transferable to a new computer.
  • Full Retail License: A full license purchased from the Microsoft Store can be transferred to a new computer if you decide to build a new one or replace your current machine in the future.

I hope this provides the clear guidance you were looking for.I f you find this guidance helpful, you're welcome to click 'Accept Answer'—it helps others find useful solutions too.

Answer from Henry Mai on learn.microsoft.com
🌐
Microsoft
microsoft.com › en-us › d › windows-11-pro › dg7gmgf0d8h4
Buy and Download Windows 11 Pro | Microsoft
September 1, 2026 - Buy and download Windows 11 for Professionals to enjoy: A simple, powerful UX helps improve productivity and focus. New features enable you to make the most of available desktop space. App compatibility and cloud management make adoption easy. A Zero Trust-ready OS helps protect data and access, wherever business takes you. This version is designed for PCs that need a new license for Windows and meet the minimum system requirements for Windows 11.
🌐
StackSocial
stacksocial.com › apps & software › productivity
Windows 11 Pro: BitLocker, Hyper-V & Azure AD—Lifetime License, One-Time Purchase
Microsoft Windows 11 Pro - Microsoft-Verified Partner! Upgrade Your Windows OS and Enjoy Enhanced UI, Better Multitasking, and Improved Security
(4.9)
Price: $12.97
Discussions

How to buy win11 pro
After the purchase, the upgrade will begin, and your system will restart with Windows 11 Pro. Method 2: Buy a Full Digital License from Microsoft More on learn.microsoft.com
🌐 learn.microsoft.com
1
0
September 23, 2025
How to buy a licence for Windws 11 Pro
You should be able to upgrade to Pro from the Windows Store app that comes preinstalled in Windows. My dad did this less than a year ago and it was a very easy procedure. More on reddit.com
🌐 r/microsoft365
10
0
November 13, 2025
Where can I buy a legit Windows 11 Pro key for a new PC build?
When you're buying a Windows 11 key you want to make sure that it is a Retail key not an OEM or Volume key because they are illegitimate and get deactivated after some time. This is why you avoid the super cheap keys that are around $3-$5, they are trash and go inactive. Better off paying a bit more for Retail. The best deal I've found on legitimate Retail Windows keys is from https://vendafly.com/ I've checked them with ShowKeyPlus and they always come up as a Retail copy. More on reddit.com
🌐 r/buildmeapc
148
201
October 1, 2026
Where are you guys buying a legit Windows 11 key these days?
I got all my software from KEYLIFY. Instant delivery and their support is excellent. More on reddit.com
🌐 r/pcbuilding
558
256
February 12, 2026
🌐
Microsoft
microsoft.com › en-us › licensing › product-licensing › windows
Windows 11 - Microsoft Licensing Resources
For devices that are not managed ... For more information about device eligibility, see Windows 11 requirements. Windows 11 Enterprise is licensed as an upgrade license to Windows Pro....
Top answer
1 of 1
5

Hello Divya, I am Henry and I want to help you with your concern.

There are a few different ways to do it depending on your current situation. Here is a guide to help you.

Method 1: Upgrade from Windows 11 Home

If you already have a computer with an activated version of Windows 11 Home, you can purchase an upgrade directly through the Microsoft Store. This method converts your current system to Pro without needing to reinstall anything.

Steps:

  1. Open Settings on your computer.
  2. Go to System and then click on Activation.
  3. Under the "Upgrade your edition of Windows" section, click on Open Store.[link]
  4. You will be taken to the Microsoft Store page for the Windows 11 Pro upgrade. You can complete your purchase there.
  5. After the purchase, the upgrade will begin, and your system will restart with Windows 11 Pro.

Method 2: Buy a Full Digital License from Microsoft

If you are building a new PC or need a new license for a computer that doesn't have one, you can buy a full digital license directly from the official Microsoft website. Buy Windows 11 Pro or Windows 11 Pro

On this page, you can purchase a digital download of Windows 11 Pro. After your purchase, you will receive a product key that you can use to activate Windows during or after installation.

Key Differences Between an Upgrade and a Full License

  • Upgrade License: This is tied to the hardware of the PC you upgrade. It's generally not transferable to a new computer.
  • Full Retail License: A full license purchased from the Microsoft Store can be transferred to a new computer if you decide to build a new one or replace your current machine in the future.

I hope this provides the clear guidance you were looking for.I f you find this guidance helpful, you're welcome to click 'Accept Answer'—it helps others find useful solutions too.

🌐
Microsoft Learn
learn.microsoft.com › en-us › windows › whats-new › windows-licensing
Windows Commercial Licensing Overview | Microsoft Learn
The following offerings are available for purchase through Microsoft Commercial Licensing: Windows 11 Pro is designed for small and medium businesses.
🌐
New Atlas
newatlas.com › deals › a-lifetime-windows-11-pro-license-now-costs-just-11-99
A lifetime Windows 11 Pro license now costs just $11.99
12 hours ago - TL;DR: Get a Windows 11 Pro lifetime license with Copilot, BitLocker, and Hyper-V built in for $11.99 (reg. $199) with code DEAL20.
🌐
Reddit
reddit.com › r/microsoft365 › how to buy a licence for windws 11 pro
r/microsoft365 on Reddit: How to buy a licence for Windws 11 Pro
November 13, 2025 -

Good afternoon,

I have a laptop that I purchased with Windows 11 Home OEM pre-installed.
I also have a Microsoft 365 Business Standard license, which provides access to Office, Teams, OneDrive, etc.

I need to install Windows 11 Pro, and I am unsure if there is any Microsoft plan that allows me to pay for a license to upgrade to Windows 11 Pro within the package I already have under my account.

From what I have been able to determine, there is no plan that allows installing Pro—only Enterprise—which requires the PC to already have Windows 11 Pro.

Am I correct?
If I need to purchase a legitimate license, where can I acquire the Retail version at the best price?

Thank you.

Find elsewhere
🌐
Microsoft Support
support.microsoft.com › en-us › windows › activation › activate-windows
Activate Windows | Microsoft Support
This opens the Microsoft Store app where you can purchase a Windows 11 digital license. Digital licenses are associated with your hardware and linked to your Microsoft account, so there's nothing you need to find on your PC. You're all set once your PC is connected to the internet and you log ...
🌐
Reddit
reddit.com › r/buildmeapc › where can i buy a legit windows 11 pro key for a new pc build?
r/buildmeapc on Reddit: Where can I buy a legit Windows 11 Pro key for a new PC build?
October 1, 2026 -

Hey everyone, I’ve just finished building a PC for work and gaming. It’s running Windows 11 Pro, but I still need a Windows 11 activation key.

I thought finding a Windows 11 key would be the easy part. Instead, I’m seeing very different prices for listings that look almost identical, and I can’t tell what I’d actually be buying.

The OEM vs retail part is confusing me most. Some of the cheapest listings say OEM, while others advertise retail without explaining much. I’m leaning toward retail because I might change the motherboard or build another PC later. Is that the right option for that situation?

Where would you recommend buying a genuine Windows 11 Pro product key at a reasonable price?

If you’ve bought one for your own build, I’d appreciate knowing:

* Which store did you use?

* How did you check the license type before buying?

* If you needed help with activation or a reinstall, how was the support?

Before buying a Windows 11 product key, I’d like to understand what proof of purchase or license details I should expect. I’m happy to pay more for a trustworthy source; I just don’t want to buy the wrong thing.

Looking for a properly licensed setup without activation scripts or workarounds. Thanks!

🌐
TechSpot
techspot.com › news › 100809-microsoft-windows-11-pro-or-win10-license.html
For a limited time, get a Windows 11 Pro license for just $8
4 days ago - For a limited time, you can get a Windows 11 Pro license for just $12. This is an unbeatable price for a full, genuine retail license (from a trusted source, of course).
🌐
Reddit
reddit.com › r/pcbuilding › where are you guys buying a legit windows 11 key these days?
r/pcbuilding on Reddit: Where are you guys buying a legit Windows 11 key these days?
February 12, 2026 -

I just finished a new PC build and I’m stuck on the most annoying part: getting Windows 11 Pro.

Microsoft’s price is wild, but then you google “Windows 11 Pro key” and you get 20 different sites selling it for pocket change. I’m not trying to do any weird activation stuff or run scripts, I just want a key that works normally in Windows settings and stays activated after updates.

If you bought a Windows 11 Pro key (or even a Windows 11 Home key) recently:

where did you buy it

did it activate instantly in Settings

and has it stayed activated a few weeks later

Also, I keep seeing “OEM” on listings and I’m not sure if that’s fine for a personal PC or if it’s the kind of thing that bites you later.

Real experiences only please, I’m trying to avoid the headache.

🌐
Mashable
mashable.com › home › tech › productivity
Get Windows 11 Pro for just $9.97 before November rolls in | Mashable
2 weeks ago - Get Microsoft Windows 11 Pro for $9.97 through Nov. 1, with a lifetime license for one compatible PC, BitLocker, Hyper-V, and no recurring fees
🌐
Digital License
digitallicense.shop › home › windows operating system licenses › windows 11 operating system licenses
Windows 11 Pro | Professional Operating System
Windows 11 Pro - Windows 11 Pro delivers powerful security, advanced productivity, and professional management capabilities for business users and demanding workflows. Get a secure, feature-rich operating environment with lifetime value and fast digital access.
(4.9)
Price: €17.90
🌐
PCWorld
pcworld.com › home › windows
Windows 11 Pro is just $10, so why aren’t you using it? | PCWorld
2 weeks ago - Windows 11 Pro adds BitLocker encryption, Hyper-V virtual machines, Windows Sandbox, and Azure AD to the core Windows 11 experience, and a lifetime license for one PC costs $9.97 with no subscription.
🌐
PCWorld
software.pcworld.com › p43833 › microsoft › microsoft › windows-11-professional
Windows 11 Professional | Digital Download Licence| PCWorld Software Store | PCWorld Software Store
1 week ago - Make sure your PC or Mac can run Windows 11 before you purchase. Key considerations are that your PC supports TPM (Trusted Platform Module) 2.0 or later and that the processor is supported. Includes a 1-PC non-transferable license.
🌐
Tom's Hardware
tomshardware.com › software › operating systems › windows
How to get Windows 11 for free (or less than $15) — Get the latest Microsoft OS for less than the price of Windows 10's ESU | Tom's Hardware
December 22, 2025 - The good news is that you can get Windows 11 Home or Pro for free (with small caveats) or for as little as $20 if you want the full, hassle-free experience. PC companies such as Dell and Lenovo don't pay full retail price for Windows (they get ...