🎯 Use this method if online activation doesn’t work or if you have a key requiring phone validation.

✅ Prerequisites:

• Have Windows 11 installed on your PC

• Have your 25-character product key

• Have a phone (landline or mobile)

🔹 Step 1: Open the Activation Window

1. Press Windows + R to open the Run dialog box

2. Type: slui 4

3. Press Enter

📌 The command slui 4 allows direct access to the phone activation menu, even if the option does not appear automatically.

🌍 Step 2: Select your Country

1. A new window will open with a list of countries

2. Choose your country or region (e.g., France, Belgium, Canada…)

3. Click Next

4. A Microsoft phone number will appear on the screen

☎️ Step 3: Call Microsoft

1. Call the displayed number from a phone

2. An automated system will ask you to enter an Installation ID (9 blocks of numbers displayed on the screen)

3. Enter each block using the phone’s keypad

🔐 Step 4: Receive the Confirmation ID

1. Once the Installation ID is validated, you will receive a Confirmation ID

2. Carefully note down the 8 blocks of numbers

✅ Step 5: Finalize Activation

1. On your Windows screen, click Enter Confirmation ID

2. Enter the blocks one by one

3. Click Activate Windows

🎉 Your Windows 11 is now successfully activated!

🧩 Good to Know:

• This method works with Windows 11 Home, Pro, or Enterprise

• Your license is tied to the motherboard after activation

• You can always check activation via:

  Settings → System → Activation

❓ Need Help?

📧 Contact our technical support:
support@destock-teck.com
📅 7/7 support – quick response