To disable the Office 365 activation pop-up window, we'll have to delete one registry key. If the automatic activation message is appearing even after making the above-said change, please reboot your PC once to apply the change I presume this pop-up window appears because of the previous Office 365 demo installation that came with Windows 10. Set the value of Manual back to 0 (zero) to enable automatic activation in Windows 10.
Select Restore settings to their default values On the right-side, look for the entry named Manual, and change its default value to 1 to disable the automatic activation. In the opened settings menu select Reset settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings. If you continue to have problems with removal of the microsoft office activation wizard virus, reset your Microsoft Edge browser settings.
How to Get Rid of MS Windows Office Activation Wizard You will no longer receive the Activation Wizard screen when you start one of your installed Office programs (Microsoft Office 2010 Activation Wizard after activation failed)This video will tell you how disable the Auto‐activation feature in Windows 10 / 8 / 7 and W. Click OK to activate your Microsoft Office products. Type your Microsoft Office activation key into the Activation box. Home How to disable Microsoft Office activation wizard Windows 10