A genuine Windows 10/11 Professional OEM license for a single PC, ideal for system builders and custom PC setups. Includes instant digital delivery, a genuine product key, and a VAT-compliant EU invoice. This OEM license is tied to the first device activated — perfect for new computer builds at a competitive price point.
최근 30일 최저가: €6.90 (5/9/2026)
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라이선스 키 + OS 언어에 맞춘 활성화 가이드. PDF VAT 인보이스 첨부.
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A Windows Pro key should solve one practical problem: make the right PC ready for work without turning the purchase into a licensing puzzle. Windows 11/10 Pro OEM - 1 User 99% Online is for a consumer, freelancer, repair desk, consultant, or small business that needs a Windows Pro activation route for one known device and wants digital delivery instead of boxed media. It is a one-time purchase, not a subscription, and it is positioned as an OEM-channel Windows Pro product rather than retail, MAK volume licensing, KMS host activation, LTSC, Enterprise, or Microsoft 365.
The 99% Online label is best understood as an online activation confidence tier for this SKU, not as a promise that any misconfigured machine will activate automatically. You still need the correct Windows Pro edition, a compatible device, internet access when activation requires it, and a clean setup path. Lizensa keeps the buying flow straightforward: checkout, instant email delivery, clear activation notes, EU-focused support, and a 365-day activation guarantee for the documented license scope. If you need Office apps, compare Microsoft Office 2024 Professional Plus. If you need cloud email, device management, and subscription services, compare Microsoft 365 Business Premium before choosing a standalone Windows key.
You receive a digital Windows 11/10 Pro OEM activation product for one user or one target PC, delivered by email after checkout. The purchase is intended for a single activation workflow, so it should be planned around the actual device that will run Windows Pro. Keep the Lizensa order confirmation, invoice where available, activation email, device name, and installation date together. That small record is useful for a reinstall, support request, reimbursement, VAT accounting, or internal asset note.
Windows Pro is the business-capable edition between Home and Enterprise. It gives you BitLocker device encryption support, Remote Desktop host capability, domain join, Group Policy support, Hyper-V on supported hardware, Windows Sandbox where available, assigned access, stronger update controls, and features that make a PC easier to use in a professional setting. Those features matter for a home office workstation, a refurbished laptop used for client work, a checkout counter PC, a test machine, or a small office computer that must connect to business resources.
What you do not receive is equally important. This is not Microsoft 365, Office, OneDrive storage, hosted Exchange, Teams, Copilot, Defender for Business, Entra ID Premium, Intune, Software Assurance, Extended Security Updates, a KMS host, a MAK pool, or an Enterprise agreement. It does not include a physical USB stick or a new computer. It also does not turn unsupported hardware into supported Windows 11 hardware. For multi-device rollout and central administration, start with the Windows category or compare Windows 11 Pro and business subscription options.
OEM wording matters because it is commonly planned around one PC and hardware-bound expectations. Choose this product when the target machine is known, stable, and unlikely to be rebuilt around a different mainboard. Choose a different channel if procurement rules require a direct retail route, if you expect broader transfer flexibility, or if your organization needs volume licensing documentation.
The Windows 11/10 naming reflects the reality of mixed devices. Windows 11 Pro is the forward-looking desktop platform with the modern interface, Snap layouts, stronger baseline security expectations, Windows Hello improvements, TPM 2.0 requirements for supported upgrades, and continuing platform security work. Windows 10 Pro can still appear in homes and small companies because older hardware, specialist drivers, point-of-sale tools, lab software, or validated business applications may not be ready for Windows 11.
That flexibility does not remove planning responsibility. Windows 10 reached end of support on 14 October 2025, so a buyer choosing Windows 10 today should have a clear reason and a migration plan. Windows 11 is usually the better long-term target when the device meets requirements. If a machine is too old for supported Windows 11, decide whether a temporary Windows 10 path, hardware replacement, or a different product makes more sense.
The nearest alternatives are easy to confuse. Windows 11/10 Pro Retail 95% Online is for buyers who prefer a retail-style channel. Windows 11/10 Pro Retail 98% Online sits in a different activation confidence and channel position. Windows 11 Pro OEM 95% Online is the closest sibling if you want the other OEM online confidence tier. Enterprise and LTSC products are a separate decision, meant for managed environments or specialized stable endpoints rather than ordinary one-PC activation.
| Component | Requirement | | --- | --- | | Edition | Windows 10 Pro or Windows 11 Pro, according to the supplied activation instructions | | CPU | 1 GHz compatible processor; Windows 11 requires a supported 64-bit processor | | Memory | 4 GB RAM minimum for Windows 11; more is sensible for daily work | | Storage | 64 GB or larger storage device for Windows 11 | | Firmware | UEFI and Secure Boot capable for supported Windows 11 installs | | Security | TPM 2.0 for supported Windows 11 installs | | Internet | Needed for download, activation, updates, and some Microsoft setup steps | | Scope | One OEM Windows Pro activation route for one target PC or user |
Before entering the key, confirm that the installed edition is Pro, not Home, Enterprise, Education, N, or another variant unless the instructions explicitly cover an edition change. Check date, time, region, internet access, and Windows Update services. Activation problems often come from edition mismatch, old installation media, blocked activation services, modified system files, or unsupported hardware.
| Option | Best fit | Main advantage | Check before buying | | --- | --- | --- | --- | | Windows 11/10 Pro OEM 1 User 99% Online | One known PC where OEM is acceptable | higher online confidence tier with instant digital delivery | Hardware-bound expectations and exact edition fit | | Windows 11/10 Pro OEM other online tier | Same OEM scope with a different confidence tier | Pick the tier that matches your risk and budget preference | Do not treat the percentage as a universal guarantee | | Windows 11/10 Pro Retail | Buyer wants a retail-style product | Simpler fit for some personal purchase policies | Price and transfer assumptions differ by channel | | Windows 11 Enterprise or LTSC | Managed estate or specialized device | Enterprise controls or stable servicing channel | Requires correct agreement, edition, and admin process | | Microsoft 365 Business Premium | Cloud identity, email, Office apps, management | Subscription services and security controls | It is recurring and not just a Windows activation key |
For a single personal laptop or a repaired office desktop, this OEM product can be the cleanest value choice. For a company with many devices, a shared activation list, or strict procurement language, the cheaper key may not be the right key. The right test is not only price; it is whether the license model, device, invoice record, and future support path match how the PC will be used.
Do not post the activation material in a public support thread, shared project board, or unmanaged group chat. If activation fails, stop after the basic checks: edition, spelling, internet, date and time, Windows Update, VPN, and region. Then contact Lizensa support with the order number, error code, screenshots, and the exact Windows edition shown in settings. Random registry edits or unofficial activators can make support harder and may damage a clean installation.
EU consumer rights still matter with digital delivery. The 14-day withdrawal right can be affected when you consent to immediate digital delivery and begin activation, so read the checkout wording before using the key. Lizensa presents the product scope, delivery, support route, and activation guarantee so you know what is being delivered before the license is used. Privacy and support handling follow EU expectations, including GDPR terminology for most storefronts and RODO language for Polish customers.
No. It is a one-time purchase for a Windows Pro OEM activation product. It does not renew monthly or yearly.
It is OEM-channel Windows 11/10 Pro for one target scope. It is not retail, not MAK, not KMS host, not LTSC, not Enterprise, and not Microsoft 365.
The product is positioned for Windows 11/10 Pro, but the installation must match the supplied instructions, the correct edition, and Microsoft-supported hardware and setup paths.
It is an online activation confidence tier for the supplier SKU. It does not guarantee activation on the wrong edition, unsupported hardware, blocked services, or a damaged Windows installation.
No. Office apps, Teams, OneDrive storage, Copilot, Intune, hosted email, and Microsoft 365 services are separate products.
Do not assume unsupported transfer rights. OEM purchases should be planned around one known device and the delivered documentation.
Check the target device, Windows edition, hardware support, internet access, invoice needs, and whether your organization requires retail, volume, Enterprise, or subscription licensing instead.
Verify the edition and internet connection, run updates, note the error code, and contact Lizensa support with your order details and screenshots.
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