Full Microsoft Office 2019/365 Installation & Activation Using KMS Server Guide

That guide will teach you how to install & activate Office 2019/365 for completely free! Let's begin!

(1) Go to https://massgrave.dev/office_c2r_links.html and download the file of your choice (I recommend Office 365 ProPlus or Office 2021 ProPlus (In English / Your language), either offline or online installers, these files include every Microsoft Office software.
(2) Once the .img (offline) / .exe (online) is completely downloaded, open the .img (offline) & run Setup.exe (offline & online)
(3) Open PowerShell/Terminal and run the following command: irm https://massgrave.dev/get | iex
(4) Click 3, then 4 to enable auto-renewal, finally click 2 and the Activation will begin. You should wait a few seconds and the Activation will end!
(5) Open Any Office software (Word, Excel, PowerPoint, Etc) and go to File -> Account, If Office says that your products are activated, Congratulations! You activated Office successfully!

And that's all! Now all of your office software is activated, for free! Enjoy office!

*If you face an error saying "We're sorry, we can't continue because we weren't able to download a required file" when using the online installer, open CMD as administrator and run reg add "HKCU\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs" /v "CountryCode" /t REG_SZ /d "std::wstring|US" /f, the error should be fixed the next time you'll run the installer.

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