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Microsoft License Keys for Windows, Office & Windows Server
Windows 11, Office 2024, Office 365, Windows Server, Visio, Project and Visual Studio keys. Your key and the official Microsoft download link arrive by email within minutes, with activation help if you need it.
★★★★★Rated 4.5/5 on Trustpilot from 270 reviews
- ⚡Key by email in minutes
- ✔Official Microsoft download
- 🔒Secure Stripe checkout
- ↻Replacement or refund if a key fails
- 💬Activation help 24/7
Shop by Category
Every product page lists the license type, devices covered and how it activates.
Best-Selling Windows & Office Keys
Our most popular licenses. Prices shown in your currency; the key is emailed right after payment.
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$12.99
$25.99Save 50% -
$17.99
$35.99Save 50% -
$9.99
$19.99Save 50% -
$13.99
$27.99Save 50% -
$210.00
$419.99Save 50% -
$23.00
$45.99Save 50% -
$24.00
$47.99Save 50%
How Buying a Microsoft License Key Works
From checkout to activated software in a few minutes.
- Choose your productEach listing shows the license type, number of devices and system requirements.
- Pay securely by cardCheckout is processed by Stripe: cards, Apple Pay, Google Pay, Link, plus local methods such as iDEAL, Bancontact and Przelewy24 in supported countries.
- Get your key by emailYour key and the official Microsoft download link usually arrive within minutes. Check spam if you don't see it.
- Activate onlineWindows: Settings → System → Activation → Change product key. Office: follow our Office 2024 installation guide.
What Customers Say
Real reviews imported from our Trustpilot page.
Used their service several times. I was interested in Windows products. Their key sometimes did not work, but after I sent an email... Used their service several times. I was interested in Windows products. Their key sometimes did not work, but after I sent an email complaining about it, they fixed it right away. I would recommend their service.
Excellent, good work
Excellent service
Another Winner – Had an initial problem, but quickly fixed. Great range of products, great prices, great service.
Very fast response and easy install!
Great company great service fast shipping
very excellent, good price, very fast
Very fast and easy to install – Product and price
The tech support was very responsive and helped you troubleshoot until everything worked. Very patient and thorough in going through the... The tech support was very responsive and helped you troubleshoot until everything worked. Very patient and thorough in going through the whole process. Highly recommended. They really stand behind their product.
All was OK. Buyer solved my problems. I purchase not first time. All time was OK.
First code did not work, but they help me with a issue, and sent me another one, and that work fine.
QUICK RESPONSE GREAT SERVICE
Easy purchase, instant delivery.
Great price, products that work – Used this company many times and I have never had an issue with their products. Incredible pricing.
Works great
Always a Great Experience. Great Prices cannot be beat. I am a repeat customer for years! Great Customer Service. I will be back!!!!!!!!!
Buy Digital's software are outstanding products with excellent performance. They deliver quickly and any questions were answered directly.... Buy Digital's software are outstanding products with excellent performance. They deliver quickly and any questions were answered directly. Exceptional value as the product is worth more than Buy Digital's purchase sale price. An impressive, polished, and exactly as advertised product along with great service from the company.
Great – Service is great
Fast delivery and everything worked perfectly! Excellent pricing!
Great prices keys work. Thank you!
Flawless experience, you pay, you receive the key by email
Works perfect
The price, easy procedure to buy, the speed. All made my experience great.
Affordable
Easy to accomplish
Always a great purchasing experience. FAST license delivery too!!
Always relilable – Been using them for years, works every time. The powers don't like them both google and microsoft route their messages... Always relilable – Been using them for years, works every time. The powers don't like them both google and microsoft route their messages to spam.
Simple to use and always fast delivery ...
they offer a good product for a great price. Now if they could offer adobe products that would be great also
Rated 4.5/5 on Trustpilot from 270 reviews. Showing 5-star and higher reviews. Read all reviews on Trustpilot
Microsoft Office License Keys
One-time Office 2024 and 2021 licenses, or Office 365 for up to 5 devices.
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$17.99
$35.99Save 50% -
$210.00
$419.99Save 50% -
$16.99
$33.99Save 50%
Which Office? Office 2024 and Office 2021 are one-time purchases. Professional Plus is for one Windows PC; Home & Business 2024 works on a PC or Mac and includes Outlook and the right to use the apps for business. Office 365 is a yearly subscription for up to 5 devices with cloud storage. On a Mac, choose an edition marked “for Mac”, Home & Business 2024 or Office 365. See all Microsoft Office license keys.
Microsoft Windows License Keys
Windows 11 and Windows 10 keys for Home, Pro and Workstations.
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$11.86
$23.99Save 51% -
$12.99
$25.99Save 50% -
$13.99
$27.99Save 50% -
$11.86
$23.99Save 51%
Home or Pro? Windows 11 Home covers everyday use. Windows 11 Pro adds BitLocker encryption, Remote Desktop hosting, Hyper-V and Group Policy. A Pro key upgrades an activated Home PC in place, with no reinstall and no lost files (how to upgrade Home to Pro). Windows 10 reached end of support on 14 October 2025, so Windows 11 is the better buy for most PCs. See all Windows license keys.
Which Microsoft License Key Do I Need?
Match what you want to do with the right product. Each link goes straight to the product page.
| If you… | Choose | Why |
|---|---|---|
| Use a home PC for everyday tasks | Windows 11 Home | Full Windows 11 for one PC, the lowest-priced option |
| Need BitLocker, Remote Desktop, Hyper-V or business features | Windows 11 Pro | Upgrades Home to Pro without reinstalling |
| Want Office on one Windows PC and pay once | Office 2024 Professional Plus | Word, Excel, PowerPoint, Outlook and more, no subscription |
| Need Office on a Mac or for business use | Office 2024 Home & Business | Works on PC or Mac, includes Outlook and commercial-use rights |
| Want Office on up to 5 devices with cloud storage | Office 365 (1 year, 5 devices) | Windows, Mac, iOS and Android, plus OneDrive storage |
| Draw diagrams, flowcharts or floor plans | Visio Professional 2024 | Microsoft’s diagramming app, one-time purchase |
| Plan projects, schedules and resources | Project Professional 2021 | Gantt charts, resource planning, one-time purchase |
| Write software | Visual Studio 2022 Professional | Microsoft’s full IDE for Windows development |
| Run a business server | Windows Server 2025 Standard | Add RDS CALs if users connect by Remote Desktop |
| Host a database | SQL Server 2019 Standard | Microsoft’s database server for business apps |
| Work in CAD, 3D or design | Autodesk All Apps (3 years) | AutoCAD, Revit, 3ds Max, Maya and more |
Business & Developer Software
Servers, databases, planning, diagramming, development and design tools.
Windows Server & SQL Server License Keys
Windows Server 2025, 2022, 2019 and 2016, RDS CALs and SQL Server. See all →
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Price range: $69.99 through $120.00 Save up to 50%
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$52.00
$103.99Save 50% -
$250.00
$499.99Save up to 50% -
$52.00
$103.99Save 50%
Standard or Datacenter? Windows Server Standard suits a physical server or up to two virtual machines; Datacenter allows unlimited virtual machines on the licensed host. If users connect through Remote Desktop, you also need RDS CALs. See all Windows Server and SQL Server licenses.
Microsoft Visio & Project License Keys
Visio Professional and Project Professional, one-time purchases. See all →
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$16.99
$33.99Save 50% -
$18.99
$37.99Save 50% -
$42.00
$83.99Save 50% -
$23.00
$45.99Save 50%
Visual Studio License Keys
Visual Studio Professional and Enterprise for Windows developers. See all →
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$22.00
$43.99Save 50% -
$22.00
$43.99Save 50% -
$18.00
$35.99Save 50% -
$24.00
$47.99Save 50%
AutoCAD & Autodesk All Apps Subscription
AutoCAD, Revit, 3ds Max, Maya and more in one subscription. See all →
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$24.00
$47.99Save 50%
Good to know: the Autodesk All Apps subscription is delivered as an email invitation to your own Autodesk account rather than a product key, and runs for 3 years. See Design & CAD software.
OEM vs Retail Keys: What Are You Buying?
Both OEM and retail keys activate the full version of Windows or Office. The difference is what happens if you change computers.
| OEM key | Retail key | Subscription (Office 365) | |
|---|---|---|---|
| What you get | Full version, one PC | Full version, one PC at a time | Full apps while the subscription is active |
| Move to a new PC? | No, it stays with the first PC it activates | Yes, after removing it from the old PC | Yes, sign in on the new device |
| Reinstall on the same PC? | Yes, it reactivates automatically | Yes | Yes |
| Price | Lowest | Higher | Paid every year |
The license type is listed on every product page and in the product name, so you can pick the one that fits.
Why are our prices lower than the Microsoft Store?
Most of our Windows keys are OEM licenses, and every product is delivered digitally: no box, no shipping and no retail-store margin. An OEM key activates the same full Windows as a retail copy, but it stays tied to the first PC you activate it on. If you need a license you can move between computers, choose a retail license instead.
BuyDigital vs Buying Direct from Microsoft
| Product | Microsoft Store (US) | BuyDigital | What's different |
|---|---|---|---|
| Windows 11 Pro | $199.99 | $12.99 | Microsoft sells a retail license you can transfer; ours is an OEM key for one PC |
| Windows 11 Home | $139.00 | $13.99 | Same: retail at Microsoft, OEM key for one PC here |
| Office Home & Business 2024 | $249.99 | $210.00 | Both are one-time purchases for one PC or Mac |
Microsoft prices are taken from microsoft.com (US store) and were checked on 2 November 2026. BuyDigital prices are in USD; the current price is always shown on each product page. Buying direct gives you a retail license with Microsoft's own support. Buying here gets you a lower price, our activation help, and a replacement or refund under our refund policy if a key fails.
Windows & Office Guides
Microsoft License Keys: Frequently Asked Questions
How do I receive my Microsoft license key?
Your key is sent by email right after payment, usually within a few minutes. If you don't see it, check your spam or junk folder, or contact us at admin@buydigital.fun.
How do I activate Windows or Office?
For Windows, go to Settings → System → Activation → Change product key and enter your 25-character key. For Office, follow our Office 2024 installation and activation guide.
Is it a one-time purchase?
Windows and Office keys are one-time purchases for one PC. Subscriptions such as Office 365 are clearly marked on the product page.
What if my key doesn't activate?
Reply to your order email or write to admin@buydigital.fun and our support team will help you activate it. If a key does not work and we cannot replace it, you get a refund under our refund policy. Contact us within 7 days of your order.
Which payment methods do you accept?
You pay securely through Stripe by Visa, Mastercard or American Express. Apple Pay, Google Pay and Link are available on supported devices. Depending on your country you can also use iDEAL | Wero (Netherlands), Bancontact (Belgium), EPS (Austria), Przelewy24 (Poland), or Klarna and BECS Direct Debit (Australia). Checkout shows the options available to you.
What is the difference between an OEM and a Retail key?
Both activate the full version of Windows or Office. An OEM license is tied to the first PC it is activated on, while a Retail license can be moved to another PC after removing it from the old one. The license type is listed on every product page.
Can I upgrade Windows Home to Windows Pro?
Yes. Buy a Windows 11 Pro key, then go to Settings → System → Activation → Change product key and enter it. Windows upgrades to Pro in place – no reinstall and no files lost.
Do these Office keys work on a Mac?
Office Professional Plus keys are for Windows PCs only. For a Mac, choose an edition marked "for Mac" such as Office Home & Business for Mac, or the Office 365 account, which works on Windows, Mac, iOS and Android.
Should I uninstall older Office versions first?
Yes. Remove any previous Office version or trial (Settings → Apps) before installing, to avoid activation conflicts. Then install from the official download link in your email and enter your key.
Are your Microsoft license keys genuine?
Yes. Every key activates the full Microsoft software through Microsoft’s own online activation, and you install from the official Microsoft download link we email you. If a key does not activate, we replace it or refund you under our refund policy.
Why are your prices lower than the Microsoft Store?
Most of our Windows keys are OEM licenses and everything is delivered digitally, with no box, shipping or retail margin. An OEM key activates the same full version but stays tied to the first PC you activate it on. The license type is shown on every product page.
Can I use one key on more than one PC?
No. Each Windows or Office key activates one PC unless the product page says otherwise. Office 365 is the exception: one subscription covers up to 5 devices.
Will my key still work after I reinstall Windows or change hardware?
Yes for a reinstall on the same PC: Windows reactivates automatically. An OEM key usually cannot move to a different PC or survive a motherboard replacement; a retail key can be moved after you remove it from the old PC.
Do your keys work in my country?
Check the product page for any region note before you buy. If a key will not activate in your country, contact us within 7 days of your order and we will replace it or refund you.
What is the difference between Office 2024 and Office 365?
Office 2024 is a one-time purchase for one PC (or Mac, depending on the edition) that you keep using with no renewal. Office 365 is a yearly subscription for up to 5 devices that includes cloud storage and always-updated apps.
About BuyDigital
BuyDigital sells Microsoft license keys for Windows 11, Windows 10, Office 2024, Office 2021, Visio, Project, Visual Studio, Windows Server and SQL Server, plus Autodesk subscriptions. Every order is a digital download: your key and the official Microsoft download link arrive by email within minutes, together with an activation guide and help if anything goes wrong.
BuyDigital.fun is operated by Buydigital LTD, Lot 39, Anmatjere NT 0872, Australia. Every product page states the license type (OEM, retail or subscription), how many devices it covers and how it activates, so you know exactly what you are buying before you pay.
Questions before you buy? Email admin@buydigital.fun or read our refund policy.
Last updated: 2 November 2026