How to activate Key byphone for Windows 10/11?

Windows admin posted 03-06-2023 07:06:54 2199 views

🔑 Activate Microsoft Windows 10/11 Using Byphone Key (No Internet Required)

To enter/change your product key in Windows 10/11, follow the illustration below.

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After entering the activation key, you will see the following error: 0xC004C008 or 0xC004C020.

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1. Press ❖ Win+R to open Run, then type: SLUI 4, and press OK. (Make sure there's a space between SLUI and 4).

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2. In the Location section, choose your country and click Next.

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3. Write down the numbers in Installation ID: 1 2 3 4 5 6 7 8 9.

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4. Go to Active & Getcid, enter the number into Step 2 - Installation ID (IID) and click GET.

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5. Enter the received Confirmation ID (CID) into the corresponding boxes, then click Activate Windows.

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6. Activation successful.

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