Blog

How to activate Windows 11 by phone? Activation guide

🔐 Phone activation method for Windows 11 (Pro or Home)
✅ Step-by-step activation guide

You can activate Windows 11 Home/Pro by phone using the built-in wizard, but note that Microsoft is removing phone activation in newer versions, so it may not be available on all systems or regions.

Method 1 - From Settings

  1. Click Start → Settings → System → Activation.
  2. If Windows is not activated, look for the option Activate by phone (or similar) under “Activate Windows now” and select it.
  3. Choose your country/region to display the correct number.
  4. Call the number shown and follow the voice instructions.
    • Provide the’Installation ID shown on the screen using the telephone keypad.
    • You will receive a Confirmation ID during the call.
  5. Enter the confirmation ID in the wizard and complete; Windows will be activated.

Method 2 - Using slui 4

If you do not see “Activate by phone” in Settings:

  1. Awards Windows + R to open Execute.​
  2. Enter slui 4 and press Enter.
  3. In the window that opens, select your country/region and click Next.
  4. Call the Microsoft activation number shown.
  5. When required, read the Installation ID on the screen.​
  6. Type the’Confirmation ID received in the boxes and confirm to complete the activation.​​

If telephone activation is missing or fails

  • In recent Windows 11 builds, Microsoft has removed or disabled telephone activation (slui 4) in favour of online only.
  • In that case:
    • Enter the key in Settings → System → Activation → Change product key and active online, or
    • Use the Activation Troubleshooter (same page → Troubleshooting) if you have changed hardware and the key is tied to a Microsoft account