Why choose it
Pro OEM with COA sticker
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OEM COA
Windows 11 Pro OEM with Certificate of Authenticity sticker—not digital-only ESD.
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Free shipping
Physical item: handed to the courier within 24 business hours after payment. Order confirmation by email.
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COA key
Use the sticker key and/or received instructions on Microsoft channels.
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Win11 requirements
Check CPU, TPM and Secure Boot before installing.
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Device binding
OEM is often device-bound—read terms and order email.
System requirements
Compatibility and technical requirements
Approximate values from Microsoft documentation; always check the latest requirements before installing.
Processor
A processor that meets Microsoft’s requirements for the indicated Windows version (for Windows 11, typically a CPU on Microsoft’s supported list).
Operating system
This page covers the indicated OS licence. Check hardware and TPM/Secure Boot where required (e.g. Windows 11).
Memory (RAM)
Windows 10: typically at least 2–4 GB. Windows 11: at least 4 GB per current Microsoft requirements.
Disk space
Enough free space for install/upgrade per Microsoft docs (often tens of GB for a full install).
Physical COA sticker, OEM rules
Email instructions and sticker shipping as shown at checkout. Activate with the COA key via Microsoft channels.
How it works
Three steps to get started
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Order and payment
Add the product to your cart and complete secure checkout with the available methods. You receive an order confirmation as shown at checkout.
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Media shipping
We ship the physical media with free shipping: handed to the courier within 24 business hours after payment — not digital-only delivery. You also receive an order confirmation by email (with tracking when available).
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Activation
Activate Windows with the licence/key for your order: Settings → System → Activation (or the stated procedure). Use official Microsoft channels.
FAQ
Answers before you buy
What is the COA?
Certificate of Authenticity—physical OEM sticker with free shipping (handed to the courier within 24 business hours), plus order confirmation by email.
Difference vs Pro ESD?
COA/OEM is a physical sticker; Pro ESD is digital-only by email.
How do I activate?
With the sticker key via Microsoft channels.
Do I need a DVD?
This page is the COA sticker, not the OEM DVD variant.
Transfer?
OEM has limits—see Microsoft and order terms.