WINDOWS ACTIVATION GUIDE

Guide to activating Windows 10 & Windows 11 (Phone Method)

If online activation fails, you can complete everything in a few minutes with phone activation. In this guide we show you how to get the Installation ID, use our Get CID tool and enter the Confirmation ID (CID) to activate Windows.

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Open "slui 4" and select your country

In the Windows search bar type slui 4 and launch the phone activation tool. Select your country (e.g. United Kingdom) to see the Installation ID.

Example: search for "slui 4" in the Windows search bar.

Select your country for phone activation

Select your country to start phone activation.

Copy the Installation ID

On the phone activation screen you will see the Installation ID split into groups. Copy it carefully (or write it down) because you will need it in the Get CID tool.

Here you can find the Installation ID to enter in the tool.

Use the "Get CID" tool to obtain the Confirmation ID

Open our Get CID tool, enter the Installation ID and the required details. In a few seconds you will receive your Confirmation ID (CID).

Open Get CID Contact us

Tip: if you see activation errors (e.g. maximum activations reached), the phone method is the right one. If in doubt, contact us and attach a screenshot + order number.

Enter the CID in Windows and complete activation

Go back to the phone activation screen and enter the Confirmation ID (CID) in the fields provided. Confirm to complete Windows activation.

Frequently asked questions (FAQ)

Why do I have to use phone activation?

In some cases online activation can fail (activation limits, temporary blocks or Microsoft checks). The phone method lets you complete activation using a Confirmation ID (CID).

I can't find "slui 4", what do I do?

Make sure you type slui 4 in the Windows search bar and run it as administrator if necessary. If it still doesn't work, reach us via Contact us with a screenshot.

I get an error during activation: how do I contact you correctly?

Go to Contact us and send: order number + screenshot of the error. That way we can check and resolve it much faster.

Need help?

Write to us: fast support for orders, invoices or assistance.