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pagetitle: FAQ
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# FAQ

(Frequently Asked Questions)

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-   **How to use it?\
    **Check the info [here](index.html#Download__How_to_use_it).

-   **How to activate Windows permanently?**\
    Use the HWID option in MAS.

-   **How to download and install Office?**\
    Check the info [here](genuine-installation-media.html).

-   **How to activate Office permanently?**\
    Use the Ohook option in MAS.

-   **It says activation failed, what to do now?**\
    Check [here](troubleshoot.html).

-   **How to download the full version of Windows 10 LTSC 2021?**\
    Check the info [here](genuine-installation-media.html).

-   **How to change the Windows edition from Home to Pro?\
    **In MAS, go to Extras and select the Change Edition option.

-   **Will I lose any data in changing the Windows edition from Home to Pro with MAS?**\
    No.

-   **I changed my Windows edition from Home to Pro and now Windows is deactivated.**\
    Run HWID activation to activate Pro. Each edition requires separate activation.

-   **How to remove HWID, Ohook, KMS38, and Online KMS activation?**\
    [HWID](hwid.html#How_to_remove_HWID), [Ohook](ohook.html#How_to_remove_Ohook), [KMS38](kms38.html#How_to_remove_KMS38), [Online KMS](online_kms.html#How_to_remove_Online_KMS)

-   **Is MAS safe? How can I know if there is any malware?**\
    MAS is fully [open-source](index.html#MAS_Latest_Release). You can open the batch files with Notepad and verify it. It has many users/stars on GitHub. You can even perform the activation manually, check the Docs section for instructions.

-   **Can I link my Microsoft account safely with MAS activation methods?**\
    Yes.

-   **Can I update Windows/Office after activation?**\
    Yes.

-   **I'm in Russia and Office is not downloading.**\
    Check this [guide](bypass-russian-geoblock.html).

-   **Can I activate Office 365?**\
    Yes, use the Ohook activation option. However, you can't get server-side O365-specific features such as 1TB storage in OneDrive, though almost all other features and 5GB storage in a free OneDrive account would work fine.

-   **Can I get the Copilot feature in Office with MAS activation?\
    **No. Copilot is an additional plan that can be added to existing subscriptions of Microsoft 365.

-   **I'm getting an 'Office is not genuine' banner.**\
    Run Ohook activation from the latest MAS version.

-   **Can I delete the MAS folder after activation?**\
    Yes.

-   **How is MAS able to activate?**\
    Read activation details in the Docs section.

-   **Does MAS work for Windows 7/8.1?**\
    The online KMS option works for Windows 7 Pro & Enterprise (Not Ultimate). All Windows 8/8.1 editions are supported by the Online KMS option.

-   **Where can I donate?**\
    MAS project doesn't accept donations and it's free.\
    It's because it's a community project and involves many contributors, splitting donations is not practical, and also because profiting from piracy is not good.

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If you have any other questions, feel free to connect with us [here](contactus.html).
