Contact & help
Buy Windows 11 Enterprise Key – Original Licence + Download for 1 PC
SALE
28,90 €
-76%
119,90 €
•
You save: 91,00 €
Lowest price in the last 30 days: 28,90 €
✔ Product key instantly via email
✔ 100% legal & unused license
✔ Support guarantee on activation
Buy together
This bundle deal is still available today:
06
HRS
22
MIN
42
SEC
Buy Windows 11 Enterprise Key – Original Licence + Download for 1 PC
28,90 €
- Availability
- Instantly by e-mail after payment
- Returns
- 14-day return policy
- One-time payment
- no recurring fees
- Legally verified
- GDPR compliant · EU consumer rights
- Customer service
- English · daily 8 am–11 pm
- Invoice
- With VAT shown separately
- Brand
- Microsoft
- Download guide
- included in the confirmation email
- Microsoft Partner Center
- Registered · Partner-ID 7018124
- Platform
- Windows · Windows
- Language
- German · Multilingual
- Article number
- 981387
Choose a product
No products found
Microsoft Windows 11 Enterprise
Buy Windows 11 Enterprise cheap – perpetual license with instant download for 1 PC
Windows 11 Enterprise as an affordable original perpetual license for one PC – the edition for enterprises, public authorities and regulated industries with the highest requirements for IT security and management. Includes all Windows 11 Pro features and adds AppLocker, Windows Defender Application Guard (MDAG), BranchCache, DirectAccess and Credential Guard. Buy once instead of paying a monthly subscription.
Instant delivery of the Windows 11 Enterprise product key by e-mail after payment is received. Includes a download link to the original Microsoft ISO, a German-language step-by-step guide, and a proper invoice showing 19% VAT.
At Karinex you get an especially affordable Windows 11 Enterprise license, German-language support, and a perpetual license with no subscription commitment.
License type
Perpetual license (ESD)
Platform
Windows 11 Enterprise (64-bit)
Term
Unlimited, no subscription
Delivery
Instantly by e-mail
One-time instead of subscription
Buy a perpetual license instead of paying monthly
Microsoft normally offers Windows 11 Enterprise only through subscription and volume-licensing programs (such as Windows 11 Enterprise E3 or Microsoft 365 E3), with ongoing recurring costs per user, per month. At Karinex you get a one-time perpetual license instead: pay once, use permanently, no follow-up costs.
Subscription model
ongoing monthly costs
Monthly recurring payment per user
Usage ends upon cancellation
Total costs rise with every month
Karinex perpetual license
one-time 11,90 €
Pay only once
Usable permanently, no time limit
No subscription, no follow-up costs
The information on the subscription model is provided only to illustrate the licensing model (one-time instead of monthly) and refers to Microsoft's regular subscription programs. As of 2026.
Windows 11 at a glance
See Windows 11 in action
Official introduction video from Microsoft. A compact overview of the design, security and key features of Windows 11.
License type and legal framework
You purchase an original perpetual license for Microsoft Windows 11 Enterprise for permanent use on one device. Activation takes place via Microsoft's official activation servers.
Trading in software licenses is permitted within the EU (principle of exhaustion under § 69c No. 3 sentence 2 UrhG in conjunction with Art. 4(2) of Directive 2009/24/EC; CJEU, judgment of 03.07.2012, C-128/11 „UsedSoft/Oracle“; BGH, judgment of 17.07.2013, I ZR 129/08 „UsedSoft II“).
The product key is an inseparable part of this license and can be activated once on one device. Simultaneous use on multiple devices is excluded. Proof of purchase is provided by the proper Karinex invoice showing 19% VAT.
Detailed comparison of the editions: Windows 11 Pro vs. Enterprise – Making the Right Choice.
Why buy Windows 11 Enterprise from Karinex
01
Original Microsoft product key – activatable via Microsoft's official activation servers.
02
Instant delivery in under 5 minutes – Windows 11 Enterprise license key by e-mail immediately after payment is received.
03
Statutory right of withdrawal – 14 days; for digital license keys it expires early once performance has begun with your express consent (§ 356 (5) BGB).
04
German-language Karinex support for installation and activation – via WhatsApp, e-mail and live chat.
05
Proper invoice with 19% VAT. – tax-deductible for freelancers and businesses.
06
Secure payment – Klarna, credit card, SEPA, giropay and purchase on account for business customers.
What's included with your Windows 11 Enterprise license
01
Original product key for Windows 11 Enterprise, digital delivery by e-mail
02
Download link to the Windows 11 Enterprise ISO installation file (original Microsoft image, 64-bit)
03
Step-by-step installation and activation guide in German
04
Proper invoice showing 19% VAT, tax-deductible
05
German-language Karinex support for installation and activation
06
Statutory 14-day right of withdrawal for digital license keys under § 356 (5) BGB
No physical delivery takes place. You will not receive a DVD, a USB stick or a product box.
What makes Windows 11 Enterprise stand out
Enterprise includes all Pro features and adds a security and management stack based on the Zero Trust principle, for organizations with the highest requirements for IT security, compliance and endpoint management.
Windows Defender Application Guard
Isolates Microsoft Edge in a Hyper-V container and protects against zero-day exploits when browsing untrusted sites
AppLocker
Only approved, signed apps, scripts and installers are allowed to run
BranchCache
Local caching of network content saves bandwidth at branch-office locations
DirectAccess
Automatic, secure remote access to the company network without a manual VPN client – ideal for hybrid work
Credential Guard
Protects credentials (NTLM, Kerberos) from theft through virtualization
BitLocker encryption
Full drive encryption protects sensitive company data
Hyper-V & Windows Sandbox
Native virtualization and an isolated test environment without third-party software
Microsoft Copilot & Fluent Design
Built-in AI assistant, Snap Layouts and virtual desktops for more focus
Ideal for professional use cases
Windows 11 Enterprise is the right choice when centralized IT management, compliance, hybrid work and endpoint security go beyond what the Pro edition can offer.
Large enterprises & corporations
Central management, hardenable images and advanced security policies
Public authorities & public sector
Highest data-protection requirements and controlled software execution
Finance & insurance
Credential Guard, AppLocker and audit-compliant configuration
Healthcare & clinics
Patient data protected by BitLocker and AppLocker
IT security & compliance
AppLocker, Application Guard and centralized endpoint management
Managed service providers
Standardized, secure configurations for many endpoint devices
Software development & testing
Hyper-V, Windows Sandbox and isolated environments for safe testing
Regulated industries
GDPR- and compliance-compliant workstations with seamless control
Consultants & mobile professionals
DirectAccess for secure access to the company network from changing locations
Windows 11 editions compared
Which Windows 11 edition fits your needs? At Karinex you get every edition as an affordable perpetual license. Detailed comparison: Windows 11 Pro vs. Enterprise – Making the Right Choice.
Windows 11 Enterprise
All Pro features plus the Enterprise security stack: AppLocker, Application Guard, BranchCache, DirectAccess and Credential Guard – for large enterprises, public authorities and regulated industries
Windows 11 Enterprise LTSC 2024
Long-Term Servicing Channel with up to 10 years of support and no feature updates – for industrial PCs, kiosks and medical technology
BitLocker, Hyper-V, Remote Desktop, domain join and group policies – for SMEs, freelancers and professionals
Up to 128 GB RAM, 1 CPU – without BitLocker, Hyper-V or domain join, ideal for home users
Enterprise, Pro or Home compared side by side
Windows 11 Enterprise, Pro and Home compared side by side. For Zero Trust security and centralized endpoint management, the Enterprise edition is the right fit.
See the detailed text comparison further up: Windows 11 editions compared.
System requirements for Windows 11 Enterprise
Processor
1 GHz or faster, 2+ cores on a compatible 64-bit Intel or AMD processor
Memory
at least 4 GB (8 GB or more recommended)
Storage
at least 64 GB of free storage, SSD recommended
Graphics
DirectX 12 compatible with WDDM 2.0 driver
Firmware
UEFI with Secure Boot
TPM
TPM version 2.0
Display
HD resolution (720p), 9 inches or larger, 8 bits per color channel
Internet
required for download, activation and updates
Installing Windows 11 Enterprise – guide in 5 steps
A quick overview of the key steps. You'll find a detailed, illustrated step-by-step guide with system requirements, BIOS settings and FAQ in our guide: Installing Windows 11 – step by step. You can find the matching Windows 11 ISO for download here: Download the Windows 11 Enterprise ISO.
01
Check your e-mail – you'll receive the product key and download link after payment is received.
02
Download the Windows 11 ISO – via the link provided or the Microsoft Media Creation Tool.
03
Installation or upgrade – clean install or direct upgrade from Windows 10/11 Pro.
04
Enter the product key – Under Settings → System → Activation → Change product key.
05
Activate online – Connect the PC to the internet for automatic activation.
Karinex customer support
Service hours
Mon.–Sun. 08:00–23:00 (German local time)
Channels
WhatsApp · e-mail · live chat
Language
German
Frequently asked questions
What is Windows 11 Enterprise?
Windows 11 Enterprise is the edition for large enterprises and organizations with the highest requirements for security and management. It includes all Windows 11 Pro features and adds AppLocker, Windows Defender Application Guard (MDAG), BranchCache, DirectAccess and Credential Guard.
Why is Windows 11 Enterprise so affordable at Karinex?
At Karinex you get original Microsoft licenses at especially attractive prices, because trading in exhausted software licenses is permitted within the EU (CJEU C-128/11 „UsedSoft/Oracle“). This means you save significantly compared to buying new – without any compromise on authenticity or activatability.
What do I get after purchase?
You will receive the Windows 11 Enterprise product key by e-mail, a download link to the original ISO, an installation guide in German, and an invoice with VAT.
Is this a perpetual license?
Yes. Windows 11 Enterprise is a purchased version with a perpetual license – no subscription and no recurring costs.
How fast is delivery?
Within a few minutes by e-mail after payment is received. For bank transfer, 1–2 business days.
What is the difference between Enterprise and Pro?
Enterprise includes all Windows 11 Pro features plus AppLocker, Windows Defender Application Guard (MDAG), BranchCache, DirectAccess and Credential Guard. For most freelancers and SMEs, Windows 11 Pro is sufficient. Detailed comparison: Windows 11 Pro vs. Enterprise.
Enterprise, or is Windows 11 Pro enough for me?
For most freelancers and small businesses, Windows 11 Pro is enough. Windows 11 Enterprise is worthwhile once centralized IT management, strict compliance requirements or advanced endpoint security are needed.
Where can I download the Windows 11 Enterprise ISO?
The download link to the original ISO is included with your delivery. Alternatively, create the installation media with the official Microsoft Media Creation Tool and then activate it with the product key you received.
Is there also a Windows 11 Enterprise LTSC?
Yes. Windows 11 Enterprise LTSC 2024 is a separate edition with long-term support (up to 10 years) and no semi-annual feature updates – ideal for industrial PCs, kiosks and devices that need to run unchanged for years.
On how many PCs can I install it?
This license is intended for activation on one PC. Simultaneous use on multiple devices is excluded.
Does upgrading from Windows 10 or Windows 11 Pro work?
Yes. A direct upgrade from Windows 10 Pro/Enterprise or Windows 11 Pro to Windows 11 Enterprise is possible. Hardware requirements: TPM 2.0 and Secure Boot. Alternatively, a clean install is possible.
Is resale legally permitted?
Yes. The CJEU ruling C-128/11 „UsedSoft/Oracle“ of 03.07.2012 and BGH I ZR 129/08 „UsedSoft II“ confirm the resale of exhausted software licenses within the EU. Detailed guide: Buying a Windows 11 key – legal or illegal?.
What about the right of withdrawal?
The right of withdrawal expires once the key is delivered (§ 356 (5) BGB).
Further recommendations
Complementary products from our range for your professional workplace.
Windows 11 Enterprise LTSC 2024
Enterprise edition with long-term support and no feature updates – for industrial PCs, kiosks and medical technology.
The Pro edition for SMEs, freelancers and professionals with BitLocker, Hyper-V and Remote Desktop.
Windows 11 Pro for Workstations
Extended Pro edition with up to 6 TB RAM, 4 CPUs, ReFS and SMB Direct for maximum performance.
Microsoft Office 2024 Professional Plus
Complete Office suite with Word, Excel, PowerPoint, Outlook and Access – the perfect complement.
Further links
Legal notices
License type. Original perpetual license for Microsoft Windows 11 Enterprise with unlimited term for use on one PC.
Delivery format. Exclusively digital by e-mail, no physical delivery.
Legality. Trading is permitted under § 69c No. 3 sentence 2 UrhG in conjunction with Art. 4(2) Directive 2009/24/EC, CJEU C-128/11 „UsedSoft/Oracle“ (03.07.2012) and BGH I ZR 129/08 „UsedSoft II“ (17.07.2013). Proof of purchase is provided by the proper Karinex invoice.
Trademarks. Microsoft®, Windows®, BitLocker® and Microsoft Defender® are registered trademarks of Microsoft Corporation. These trademarks are used solely to describe the product; there is no business relationship with Microsoft. Karinex acts as an independent reseller.
Right of withdrawal. Statutory 14-day right of withdrawal. For digital license keys, it expires early once performance has begun with your express consent (§ 356 (5) BGB).
NO SUBSCRIPTION
One-time payment, no hidden costs
Instant download
Available immediately after purchase
- Instant download after purchase
- 100% legal & original license key
- Perpetual license – no subscription, no monthly fees
- Easy online activation with guide
- Manufacturer: Microsoft
- Product type: Windows Operating Systems
- Compatible operating system: Windows
- Internet connection for download & activation
- Sufficient free disk space
- See product description for details
Ready to go.
100% legal license keys delivered by email within seconds. Instant download & activation with German support. Legally verified.
Exclusively for you
Wait a moment!
Get 5% off your order – with this code:
Offer valid for 15:00
