The code is valid for 1 pc / 1 installation - if you uninstall/reinstall you might need to buy a new code. Enter the confirmation ID in the office installation wizard Go to and enter the installation ID (from the office installation) select office version 2016/2019 and get the confirmation ID ( If you get prompted with a connection error, try a different browser i.e: firefox )Ĥ. You can b ypass the phone calling part and instead use the following website to get the ID confirmation: ģ. Select 'activation by phone' in the office installation wizard. Download the official ISO/image to activate: HereĢ.