✅ Free Windows 10 & Windows 11 Product Keys (Updated 2025)

Use Generic & KMS Client Keys for Installation and Activation

If you’re reinstalling Windows 10 or Windows 11 and need a product key, you’re in the right place. Microsoft provides generic and KMS client setup keys that allow users to install and temporarily activate Windows. These keys are legal and safe to use for testing, development, or evaluation purposes — but they won’t provide permanent activation.

Free Windows 10 and 11 Product Keys 2025

Looking for free Windows 10 or Windows 11 product keys in 2025? Get the latest official generic and KMS client setup keys to install and activate Windows legally and safely—no paid license required. Perfect for testing, development, and temporary use. Step-by-step activation guide included!

Windows 10 & 11 Product Keys — Free Windows 10 and 11 Product Keys 2025

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🔑 What Are Generic and KMS Client Keys?

Generic Keys are default installation keys provided by Microsoft to let users install Windows without activating it immediately. These do not activate Windows but allow installation for setup and testing purposes.

Easy ways to activate Windows 11 for FREE without a product key

KMS Client Keys work with a Key Management Service (KMS) server to activate Windows for a limited time (typically 180 days). This is a standard method used in enterprise environments and is officially documented by Microsoft.

🧩 Windows 10 and 11 Generic Installation Keys

These keys are used during installation and do not activate Windows:

Windows Edition	Generic Key
Windows 11 Home	`YTMG3-N6DKC-DKB77-7M9GH-8HVX7`
Windows 11 Pro	`VK7JG-NPHTM-C97JM-9MPGT-3V66T`
Windows 11 Enterprise	`XGVPP-NMH47-7TTHJ-W3FW7-8HV2C`
Windows 10 Home	`TX9XD-98N7V-6WMQ6-BX7FG-H8Q99`
Windows 10 Pro	`W269N-WFGWX-YVC9B-4J6C9-T83GX`
Windows 10 Enterprise	`NPPR9-FWDCX-D2C8J-H872K-2YT43`

Note: These keys will let you install Windows but will not activate it. You’ll still see a watermark and limited personalization options.

🔐 KMS Client Setup Keys (Activation via KMS Server)

Use these keys to activate your Windows installation temporarily using a KMS server:

Windows Edition	KMS Client Key
Windows 11 Home	`TX9XD-98N7V-6WMQ6-BX7FG-H8Q99`
Windows 11 Pro	`W269N-WFGWX-YVC9B-4J6C9-T83GX`
Windows 11 Enterprise	`NPPR9-FWDCX-D2C8J-H872K-2YT43`
Windows 10 Home	`TX9XD-98N7V-6WMQ6-BX7FG-H8Q99`
Windows 10 Pro	`W269N-WFGWX-YVC9B-4J6C9-T83GX`
Windows 10 Enterprise	`NPPR9-FWDCX-D2C8J-H872K-2YT43`

⚙️ How to Use These Keys for Activation

Open Command Prompt as Administrator.
Enter the following commands one by one:

slmgr /ipk YOUR-KMS-CLIENT-KEY
slmgr /skms kms.example.com
slmgr /ato

Replace YOUR-KMS-CLIENT-KEY with the correct key from the table, and kms.example.com with a working KMS server (you must find or host your own).

⚠️ Warning: Never use suspicious third-party tools like KMSPico or illegal activators — they can compromise your system security.

🛡️ Is This Legal?

Yes – using Microsoft’s generic and KMS client setup keys is legal for:

Evaluation
Testing
Educational purposes

However, for long-term use or commercial systems, you must purchase a genuine product key from Microsoft or an authorized reseller. Sorce Key

📝 Summary

Use Generic Keys to install Windows.
Use KMS Client Keys with a KMS server for temporary activation (180 days).
Avoid third-party illegal tools – use only Microsoft-approved methods.
For permanent activation, buy an official product key.

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