Windows activation?

sitbge 0 Reputation points
2025-11-08T23:30:07.3633333+00:00

Why does my windows not activate? bought this computer of another person and it says windows needs to be activated, I click on troubleshoot and it just says sorry we cant help you at this time. Ive bought another windows key and not even that works?

Windows for home | Windows 11 | Accounts, profiles, and login

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  1. Ferdinand Nanalig 31,340 Reputation points Independent Advisor
    2025-11-09T00:04:08.6633333+00:00

    Hello, I'm an independent advisor, and welcome to Microsoft Q&A. I'm here to help you resolve this issue.

    The product key should match the Windows version you currently have on your machine.

    May I know the error you get when you run the Windows Activation Troubleshooter?

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  3. AI answer

    2025-11-08T23:31:23.9233333+00:00

    There are several potential reasons why your Windows may not activate after purchasing the computer from someone else. Here are some common issues and their solutions:

    1. Invalid Windows Marker: If the computer lacks a valid Windows marker in the ACPI_SLIC table, it may not activate. This situation can occur if the previous owner did not have a qualifying Windows operating system installed.
    2. Corrupted Installation: A corrupted Windows installation can prevent activation. In such cases, reinstalling the operating system may be necessary to resolve the issue.
    3. Problems with the Product Key: If you have purchased a new Windows key that still does not work, it might be invalid or blocked. Ensure that the key is genuine and has not exceeded its usage limits on other devices.
    4. KMS Activation Issues: If your computer is trying to activate via a Key Management Service (KMS) server and cannot connect to it, activation will fail. Check your network settings to ensure the KMS server is accessible.
    5. User Account Control (UAC): Make sure to run activation commands with elevated privileges. You can do this by right-clicking on Command Prompt and selecting "Run as administrator".

    If these steps do not resolve the issue, consider contacting Microsoft support for further assistance with the activation process.

    References:

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