Step 1: To start the phone activation of Windows, open search box and type slui 4. Click the result in the Command section and the Activation wizard will be launched.
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Step 2: Select your country and click Next.
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Step 3: Now you can see your Installation ID. You will need these numbers to obtain your Confirmation ID, which is required to finish the activation of your product. So keep the window open and go to https://microsoft.aisi.cat/
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Step 4: Choose if your Installation ID will be grouped in blocks of numbers containing 6 digits (IDs for Windows 8 and older) or 7 digits (IDs for Windows 10 and Office 2013 or newer).
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Step 5: Use the groups of digits that you obtained in Step 3 and enter them into the empty boxes (each group separately) on the https://microsoft.aisi.cat/ website. When you’re done, click Verify.
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Step 6: Now you have your Confirmation ID. You will need it for completing the activation. Go back to the Activation Wizard that you opened in Step 1 and click Enter confirmation ID.
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Step 7: Introduce the Confirmation ID that you obtained in the appropriate boxes (A, B, C, D, E, F, G, H), then click Activate Windows to finish the activation process. And that’s all!
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