Windows 10 Pro OEM Key - Only .99 | KeysLocker
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Windows 10 Pro Online OEM License Key

Windows 10 / 11 Pro OEM

Price range: $0.80 through $3.50

One genuine Pro key that activates either Windows 10 Pro or Windows 11 Pro – your choice, at the lowest price. Tied to one PC. Delivered instantly.

SKU: KL-WIN1011-PRO-OEM Category: Tags: , , , Brand:
Platform Windows
Type Key
Region Global
Instant Delivery
Genuine License
24/7 Support
Money-Back Guarantee

One key, both versions. This genuine Pro license activates either Windows 10 Pro or Windows 11 Pro – install whichever you prefer, or upgrade from 10 to 11 later using the same key.

Why is OEM cheaper?
OEM keys are permanently tied to the first PC they activate on. Same genuine Windows, same Pro features – the only difference is you cannot move it to a new machine. If you will stay on this hardware, OEM is the smarter buy.

What you get: a genuine activation key delivered instantly after purchase, plus simple activation instructions. Full Windows Pro features – BitLocker, Remote Desktop, Hyper-V and more.

Frequently Asked Questions

Yes. Every key is sourced from authorized Microsoft distribution channels and activates directly on official Microsoft servers — the same activation process used by any authorized retailer.

Instantly. Your 25-digit product key is delivered via email within 1–5 minutes after payment is confirmed. It is also available in your account dashboard.

No. Each product key activates one PC. OEM keys are permanently tied to one motherboard. Retail keys can be transferred — deactivate the old PC first, then activate on the new one.

OEM keys are tied to one motherboard permanently and cannot be transferred. Retail keys can be moved to a new PC by deactivating on the old one first. Retail costs more but offers hardware flexibility.

Contact our 24/7 support team with your order number and a screenshot of the error. We will troubleshoot the issue and provide a replacement key or full refund within 24 hours.

Yes. If you currently have Windows Home installed, you can enter a Pro key in Settings → System → Activation → Change product key. Windows will upgrade to Pro automatically.

Yes. Once activated, your PC receives all security updates and feature updates from Microsoft for as long as the product is supported.

If you have a Windows 10 key and your hardware meets Windows 11 requirements (including TPM 2.0), you can upgrade for free through Windows Update. Your license transfers automatically.

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