Windows 11 Professional OEM COA Sticker
Physical Sticker with Product Key — System Builder License for PC Builders
Same Windows License, Different Formats
What You Receive with the OEM Sticker
Physical COA Sticker
Microsoft Certificate of Authenticity sticker with 25-character Product Key protected by scratchable film. Includes anti-counterfeit hologram.
Italian Electronic Invoice
Immediate electronic invoice compliant with Italian regulations.
What is an OEM COA Sticker?
COA (Certificate of Authenticity) Sticker is a Microsoft physical sticker with a scratchable Product Key intended for professional PC builders and system builders who build computers for end customers or company machine fleets.
Why builders prefer the sticker:
- Can be applied directly to the assembled PC case as visible license proof
- Audit compliance: a physical sticker on the PC proves an original license during inspections
- Lower cost compared to an OEM DVD (save €50 if you already have a Windows ISO)
- Product Key protected by scratch-off film until the moment of installation
- Microsoft anti-counterfeit hologram integrated into the sticker
Intended users: System builders, custom PC assemblers, IT technicians building workstations, hardware resellers pre-installing Windows, companies with an internal IT department building PC fleets.
Requirement: The builder must already have a Windows 11 ISO/USB for installation. The sticker contains only the Product Key, not installation media.
Legal compliance: OEM sticker is legal for IT professionals in Italy. Perpetual license permanently tied to the first PC activated (non-transferable).
Windows 11 Pro vs Home
| Feature | Home | Pro |
|---|---|---|
| BitLocker Encryption | ✗ | ✓ |
| Remote Desktop | ✗ | ✓ |
| Domain Join | ✗ | ✓ |
| Group Policy Management | ✗ | ✓ |
| Hyper-V Virtualization | ✗ | ✓ |
| Windows Sandbox | ✗ | ✓ |
| Assigned Access | ✗ | ✓ |
| Windows Update for Business | ✗ | ✓ |
What Windows 11 Professional Offers
BitLocker Drive Encryption
Full-drive hardware-level encryption. Protects sensitive business data in case of device theft with AES-256 encryption.
Remote Desktop Protocol (RDP)
Full remote access via RDP. Control a workstation from any location. Essential for professional remote IT support and teleworking.
Active Directory Domain Join
Join a Windows Server domain or Azure AD. Centralized user management, policy enforcement, enterprise-grade SSO.
Group Policy Editor (gpedit.msc)
Advanced system policy configuration via GPO. Granular control over security, registry, network settings, and centralized software deployment.
Hyper-V Native Virtualization
Built-in Type-1 hypervisor. Deploy isolated virtual machines for testing, development, and sandbox environments. No VMware/VirtualBox required.
Windows Sandbox (Isolated)
Disposable temporary VM for testing untrusted software. Each launch starts from a clean system. No persistence, full host isolation.
Assigned Access (Kiosk Mode)
Lock down a PC as a single-app kiosk. Ideal for POS, digital signage, and public terminals. Full-screen app, no access to the underlying system.
Windows Update for Business (WUfB)
Enterprise update deployment control. Defer, schedule, and approve patches. Integrates with WSUS/SCCM. Ring deployment strategy for PC fleets.
Required Hardware Specifications
Processor
1 GHz dual-core 64-bit. Intel/AMD x64 architecture. Multi-core recommended for Hyper-V.
Memory (RAM)
4 GB minimum. 8 GB recommended. 16+ GB for Hyper-V virtualization and enterprise workloads.
Storage
64 GB minimum available space. NVMe SSD recommended for optimal BitLocker encryption performance.
Display
1280 × 768 minimum resolution. High DPI and multi-monitor enterprise setups are natively supported.
TPM Security Chip
TPM 2.0 required at the hardware level. Check availability in BIOS/firmware. Essential for BitLocker.
UEFI Firmware
Secure Boot capable. Legacy BIOS not supported. CSM must be disabled for a clean Windows 11 installation.
Installation Media
Windows 11 Pro ISO required. Download via Microsoft Media Creation Tool or MSDN/VLSC enterprise accounts.
Activation Connectivity
Internet required to activate the Product Key via Microsoft activation servers. Full offline use after activation.
OEM COA Sticker FAQ
What exactly do I receive with the COA sticker?
What is the difference between OEM Sticker and OEM DVD?
DVD (€81.99): Includes installation DVD + Product Key printed on the packaging.
Windows features are identical. Sticker is ideal for builders who already have a bootable Windows ISO/USB.