Ist der Lizenzschlüssel original und legal?

Ja, wir garantieren 100 % legale und ungenutzte Original-Lizenzen. Alle Produktschlüssel unterliegen dem europäischen Erschöpfungsgrundsatz und sind rechtssicher für die dauerhafte Nutzung an Ihrem PC zertifiziert.

Wann erhalte ich meinen Produktschlüssel?

Blitzversand: Die Zustellung erfolgt automatisiert in Echtzeit. Unmittelbar nach Abschluss der Zahlung erhalten Sie den Key sowie Download-Links und Anleitung innerhalb von 30–60 Sekunden per E-Mail.

Bieten Sie Unterstützung bei der Aktivierung?

Ja. Jeder Lizenz liegt eine bebilderte Schritt-für-Schritt-Anleitung bei. Sollten dennoch Fragen auftreten, steht unser technischer Support bereit, um Sie bis zur erfolgreichen Aktivierung zu begleiten.

Gilt das Widerrufsrecht auch für Digitale Keys?

Gemäß gesetzlicher Regelung erlischt das Widerrufsrecht bei digitalen Inhalten, sobald die Ausführung des Vertrags mit Ihrer ausdrücklichen Zustimmung und Kenntnisnahme über den Key-Versand begonnen hat.

Erhalte ich eine ordnungsgemäße MwSt.-Rechnung?

Ja, Sie erhalten automatisch eine PDF-Rechnung mit separat ausgewiesener Mehrwertsteuer. Diese ist voll steuerlich absetzbar und entspricht allen deutschen Buchhaltungsstandards.

Windows

Nur noch 00t 00s 00m 00s bis zum Ende des EXTRA-Sales

Buy Windows 10 Pro | Genuine 32/64-Bit License Key – Instant Download

SALE

11,90 € -85%

79,99 € • You save: 68,09 €

Lowest price in the last 30 days: 11,90 €

incl. VAT

✔ Product key instantly via email

✔ 100% legal & unused license

✔ Support guarantee on activation

Choose quantity & save

−15%2 PCs ~~23,80 €~~ 20,23 € 10,11 € per licence You save 3,57 € Popular · −20%3 PCs ~~35,70 €~~ 28,56 € 9,52 € per licence You save 7,14 € −25% 4+ PCs 8,92 € per licence ~~47,60 €~~ 35,70 €

Discount is applied automatically in the cart.

Buy together

This bundle deal is still available today:

10 HRS 22 MIN 22 SEC

Buy Windows 10 Pro | Genuine 32/64-Bit License Key – Instant Download 11,90 €

Microsoft Office 2024 Standard Full Version for Windows – Genuine License | Email Delivery 10,90 €

Availability: Instantly by e-mail after payment
Returns: 100-day return policy
One-time payment: no recurring fees
Legally verified: GDPR compliant · EU consumer rights
Customer service: English · available 24/7
Invoice: With VAT shown separately

Buy Windows 10 Professional – Genuine Microsoft License | Instant Download

Windows 10 Professional is Microsoft's proven and stable operating system for businesses, freelancers and demanding home users. With advanced security and business features, Windows 10 Pro offers the ideal foundation for productive and secure work.

When you buy Windows 10 Professional, you receive a genuine Microsoft license from Karinex, including instant download and easy online activation – no waiting time, no subscription.

Why buy Windows 10 Professional?

Genuine Microsoft Windows 10 Pro license
One-time purchase – no monthly fees
Instant delivery of the product key by e-mail
Suitable for 32-bit & 64-bit systems
Ideal for private and commercial use

Key features of Windows 10 Professional

More security for professional requirements

BitLocker drive encryption
Windows Defender with real-time protection
Secure Boot
Advanced protection against malware and ransomware

Business and network features

Remote Desktop
Domain join & group policies
Hyper-V virtualization
Centralized device and user management

This makes Windows 10 Professional ideal for offices, home offices, IT environments and companies of any size.

Windows 10 Pro license – 100% genuine & legal

You receive a genuine, lawful Microsoft license. The Windows 10 Pro product key is delivered digitally by e-mail immediately after purchase and can be activated right away.

✔ Lifetime activation
✔ No subscription
✔ New installation or upgrade possible

System requirements for Windows 10 Professional

Processor: 1 GHz or faster
RAM: At least 2 GB (64-bit: 4 GB recommended)
Storage space: At least 20 GB
Architecture: 32-bit or 64-bit
Internet connection required for activation

Who is Windows 10 Professional suitable for?

Businesses & freelancers
Home office & remote work
IT administrators
Demanding home users

For older systems or those permanently disconnected from the internet that do not strictly require Windows 10, a Windows 7 Professional license may be the more economical choice.

Buy Windows 10 Professional now

Choose a stable, secure and proven operating system. Buy Windows 10 Professional now – with a genuine Microsoft license, instant download and permanent use.

If you are unsure which Windows version is better, take a look at our comparison: Windows 10 vs Windows 11 comparison .

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.

How do I activate Buy Windows 10 Pro | Genuine 32/64-Bit License Key – Instant Download?

Enter the product key during installation or afterwards under Settings → System → Activation. Buy Windows 10 Pro | Genuine 32/64-Bit License Key – Instant Download is then permanently activated – no subscription, no recurring costs. Our support team is happy to help you with activation free of charge.

How quickly will I receive my license key?

Instantly. Right after your payment is confirmed, your product key is automatically generated and delivered by email within 30–60 seconds – including the download link and a step-by-step guide.

Are the licenses original and legal?

Yes, 100%. We sell exclusively original, unused Microsoft keys under the EU principle of exhaustion (CJEU ruling C-128/11) – legally resalable and certified for permanent use.

What if the activation does not work?

You get a free replacement key – as many times as needed until activation succeeds. Our German-speaking support helps via email, WhatsApp or live chat – usually within 10 minutes.

Does the license expire at some point?

No. It is a perpetual license with no subscription, no recurring fees and no time limit. Buy once, use forever.

Will I receive a VAT invoice for my accounting?

Yes. A PDF invoice with separately listed VAT (19%) is automatically sent with your license key – fully deductible and GoBD-compliant.

How is the money-back guarantee regulated?

For unactivated digital licenses we refund the full purchase price within 100 days. Activated keys are excluded from refunds under § 356 (5) of the German BGB.