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pagetitle: FAQ
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# FAQ

(Frequently Asked Questions)

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

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

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

-   **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 activation?**\
    You can not remove it, same as you can not remove official Windows digital (HWID) license. Once a system is activated, this activation cannot be removed because the license is stored in the Microsoft servers and not in the user's system. MS checks the hardware ID (HWID) and if a license is found in their database, the system will automatically activate.

-   **How to remove KMS38 activation?**\
    Check [here](kms38.html#How_to_remove_KMS38).

-   **How to remove Online KMS Activation (Office Activation)?**\
    Check [here](online_kms.html#How_to_remove_Online_KMS).

-   **Is MAS safe? How to know if there is any malware?**\
    MAS is fully [open source](https://github.com/massgravel/Microsoft-Activation-Scripts). 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 Doc section for instructions.

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

-   **How to activate Office?**\
    Use the Online KMS option in MAS.

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

-   **Can I permanently activate Office?**\
    No. For lifetime activation of Office, use the renewal task option in Online KMS.

-   **Can I link my Microsoft account safely with this activation?**\
    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).

-   **How to change Windows 10/11 Home to Pro?**\
    Use the change edition option in the Extras section in MAS.

-   **Can I activate Office 365?**\
    O365 can not be activated with KMS. To activate it, the script installs Mondo 2016 licenses and activates that. This license is near to O365 feature-wise, you can get offline features of O365 but you can't get Online features of O365.

-   **Can I get Co-Pilot feature in Office 365 with Mondo License?**\
    At the time of writing, this feature is in testing period and not available to all 365 users. And as stated in above question, all online features are not available in Mondo License, so most likely it won't work.

-   **I'm getting 'Office is not genuine banner'.**\
    Run Online KMS from the latest MAS version.

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

-   **How MAS is 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 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).
