A:Answer Great question. Yes, you can sign out of Microsoft 365 on a PC remotely from any web browser to deactivate the installation. For instructions, please go here: https://support.microsoft.com/en-us/office/deactivate-an-installation-of-office-767e3560-96ed-4b1c-806d-2fe01c529b1b Then, you can download, install and active your Microsoft 365 on a new device. If you need directions on how to do this, visit our website: https://support.microsoft.com/en-us/office/download-and-install-or-reinstall-microsoft-365-or-office-2019-on-a-pc-or-mac-4414eaaf-0478-48be-9c42-23adc4716658#bkmk_signintodownload