The latest version of the software can use for the activation of both Windows and Microsoft Office. But I have turned this off, and it doesn't seem to help. Microsoft Toolkit Activator for Windows 10 & Office 365 Microsoft Toolkit is an official application specially made for Windows machines, which is free of charge. It seems like it might be related to Windows Defender Virus blocking because this message keeps popping up when I try to activate Microsoft Office using the KMS activator tool. Not sure what to do, I re-installed Windows 10 and tried to activate Microsoft Office again - but it did not work. When I tried to install and activate Microsoft Office 2021 again in Windows 11, I found that the KMS activator I used did not work (and could not activate). KMS (Key Management Service) activation for Windows and MS Office software is required per the license agreement between Columbia University and Microsoft. Extract the activator file and look for the file with the icon mark, then select the one that fits your laptop. Download the KMS auto lite activator app. Turn off the antivirus used on the laptop. Here are the steps to follow: Install Microsoft Office 365.

Then I upgrade the system to Windows 11 but made the mistake of Keeping Nothing (no apps, no files) during the installation. Microsoft Office 365 activation can also use KMS auto lite.

It should say Successfully applied setting. I did some research and found a Youtube that gave this KMS Activator tool ( ), which was able to successfully activate Windows Office 2021. Office Activation FAQ Press Enter, then type: cscript ospp.vbs /sethst: Press Enter. I activated Windows 10 using MAS - but when I tried activating MS Office 2021 the same way, it didn't work.

Office 365 kms activator