Best Seller -60%
Windows 11 Pro product key box - genuine one-time purchase for Windows, instant digital delivery, 60% off | Maventech Software
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Buy Windows 11 Pro — for 1 PC | Lifetime License Key

Windows 11 Pro
Version: Windows 11
Windows 11Windows 10
Edition: Pro
HomePro
€73.59 €183.99 Save 60%
Listed price in EUR. Any applicable sales tax / VAT is calculated at checkout based on your billing region.
Instant email delivery (15-30 min)
Genuine Microsoft key
Money-back guarantee
Free installation support

Windows 11 Pro is a genuine, one-time-purchase product. One-time purchase — no subscription, no recurring fees. Your license key activates the official software downloaded directly from Microsoft (or the vendor) and remains yours for as long as you use it.

  • Licensed for 1 Windows device
  • Full official version — not a trial or shared account
  • Includes free updates within its version
  • Activation support included — 30-day money-back policy
GTIN: 2001315121488 SKU: SKU-DD7C7A56 Brand: Microsoft
  1. Complete your purchase — your license key + download link arrive by email within 15-30 minutes.
  2. Download the official installer from the link provided.
  3. Enter your product key when prompted to activate.
  4. Need help? Our team offers free installation assistance: 1-805-823-9961 (Mon-Sat, 9 AM - 6 PM EST).

Buying for a team? We offer volume discounts on 5+ licenses with consolidated invoicing.

Request a Volume Quote

Why buy Windows 11 Pro from Maventech Software?

Looking for the most reliable place to buy Windows 11 Pro online? You are in the right place. Maventech Software delivers a genuine Microsoft license key for Windows 11 Pro at €73.59 — a one-time purchase with a lifetime activation, no monthly fees and no surprise renewals. Your key arrives by email in 15–30 minutes, ready to activate directly inside the official Microsoft installer.

Windows 11 Pro — quick facts

  • Platform: Windows
  • Licence type: Lifetime / perpetual — not a rental subscription.
  • Delivery: Instant email with the activation key + official download link.
  • Activation: Direct inside the official Microsoft software — no third-party loaders.
  • Guarantee: 30-day money-back, replacement key if anything goes wrong.

How to activate Windows 11 Pro after purchase

  1. Complete checkout — your Windows 11 Pro license key + official Microsoft download link arrive by email within 15–30 minutes.
  2. Download the genuine installer from the link in the email (or directly from the Microsoft website).
  3. Run the installer and sign in to your Microsoft account.
  4. Paste the activation key when prompted — activation completes in seconds.
  5. Need help? Our specialists set it up for you on a free assisted call.

Is Windows 11 Pro a one-time purchase?

Yes — this listing is the perpetual licence. Pay once at €73.59, activate on your Windows device, and use Windows 11 Pro for as long as you own the device. There are no monthly fees, no renewals and no surprise charges. If you need to move the licence to a new computer, our support team helps you transfer it free of charge.

Best price for Windows 11 Pro in 2026

Maventech Software partners directly with authorised channels, which is how we can sell Windows 11 Pro for €73.59 — up to 81% below the manufacturer’s retail price. Every key is verified pre-dispatch, every payment is encrypted, and every order is protected by our 30-day money-back guarantee. Compare us with any other reseller on price, delivery speed and support quality — we are confident you will buy here.

Windows 11 Pro — genuine product key, lifetime activation & instant digital delivery

Shopping for a Windows 11 Pro product key, a retail license or an OEM activation code for your PC build? This listing ships you exactly that. Pay once at €73.59, receive the 25-character genuine activation code by email in 15–30 minutes, run the official Microsoft Media Creation Tool, paste the key, and your machine is fully activated — tied to your hardware, not to a subscription.

Why Windows 11 Pro? The latest perpetual Microsoft OS — redesigned Start menu, Snap Layouts, native Microsoft Store, DirectStorage gaming and full Copilot integration. Best buy for shoppers searching "buy original Windows 11 Pro product key", "Windows 11 Home activation key" or "Windows 11 Pro 64-bit retail key".

Windows 11 Pro specifics: BitLocker drive encryption, Remote Desktop host, Hyper-V virtualisation, Group Policy, Windows Sandbox and Azure AD join — everything home builds miss. Activates from a Home install via Microsoft's built-in upgrade flow.

How activation works

Open Settings › System › Activation, click Change product key, paste the 25-character code from your email. Activation completes in under five minutes. Each Windows 11 Pro key is single-PC under Microsoft's EULA — for multi-PC coverage pick a 3 or 5-seat bundle or buy additional keys with automatic volume discount.

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Questions about Windows 11 Pro

Quick answers about delivery, activation and our guarantee — straight from our support team.

Your Windows 11 Pro license key is delivered by email almost instantly — typically within 15-30 minutes of completing payment, often in seconds. The email includes the activation key, the official Microsoft download link, and step-by-step activation instructions. There is no physical shipping — everything is digital and reaches the email address you provided at checkout.

Yes. Maventech Software only sells genuine, activation-ready Microsoft license keys sourced through authorised channels. The key you receive activates the official Microsoft software downloaded directly from the Microsoft website — it is never a cracked, repackaged, or modified installer. Every key is verified before dispatch and backed by our 30-day money-back guarantee if it fails to activate.

In the rare case a key does not activate, contact our support team within 30 days and we will either provide a working replacement key at no extra cost or issue a full refund — your choice. Support is available via live chat on the site, email, or phone (Mon-Sat, 9 AM - 6 PM EST). Most activation issues are resolved in under 10 minutes by our concierge team.

1. Visit account.microsoft.com to download the official installer. 2. Sign in with (or create) your Microsoft account. 3. Enter the license key shown above when prompted and follow the on-screen activation steps. For Windows, you can also activate via Settings → System → Activation → Change product key. If you would prefer we do it for you, our ProAssist Premium Installation add-on books a specialist to set everything up over a 30-minute video call.

Each license key activates one device under the Microsoft end-user license agreement. For multi-device coverage, pick a multi-seat product (e.g. 3-device or 5-device variants when available) or buy additional keys with the volume discount applied automatically at checkout for 5+ units.

Yes. The 25-character key you receive is a genuine Microsoft activation code that pairs with the official Windows 11 installer downloaded from microsoft.com/software-download. It is never an MAK, KMS or modified ISO. Activation completes inside Settings › System › Activation › Change product key, and the licence is tied to your hardware so it survives clean installs and Windows updates.

Yes. The key activates fresh installs on new PC builds and clean reinstalls on refurbished or second-hand machines. Boot from the official Microsoft Media Creation Tool USB, install Windows 11, skip the “I don't have a key” prompt and paste your code in Settings after install. Windows 11 Pro additionally unlocks BitLocker, Remote Desktop host, Hyper-V and Group Policy.

Yes. A clean install of Windows 11 Pro is the cleanest path; or upgrade in-place from Windows 10 via Microsoft's PC Health Check and free upgrade flow, then enter this Pro key in Settings › Activation › Change product key to switch from Home to Pro.

People also ask about Windows 11 Pro

Maventech Software sells Windows 11 Pro for €73.59 — up to 81% below the manufacturer’s retail price. We work directly with authorised channels, which is how we keep prices low while guaranteeing every key is genuine, activates inside the official Microsoft installer, and ships with a 30-day money-back protection.

Your Windows 11 Pro licence key arrives by email within 15–30 minutes of completing payment — often in seconds. The email contains the activation key, the official Microsoft download link and step-by-step instructions. There is no physical shipping; everything is digital.

Yes — this listing is the Windows edition of Windows 11 Pro. As long as your computer meets Microsoft’s minimum system requirements (any Windows machine from the last ~5 years), this key will activate without issue. We exchange any wrong-platform purchase free of charge within 30 days.

Every Windows 11 Pro listing on Maventech Software is a one-time purchase with a perpetual (lifetime) licence. Pay once, activate on your device, and use the software for as long as you own the computer. There are no monthly fees, no renewals and no automatic re-billing.

In the rare case a key fails to activate, contact support within 30 days. We will either send a working replacement key at no extra cost or issue a full refund — your choice. Most activation issues are resolved by our specialists in under 10 minutes via live chat.

Each Windows 11 Pro licence covers a single device by default. If you need to move the licence to a new computer (e.g. when upgrading your laptop), our support team transfers it for you free of charge. Multi-device family packs are listed separately on the relevant category page.

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