Office KMS Activator Ultimate is the latest edition of Office Activation that helps you activate Office 2010, 2013, 2016, 365 and 2019 in a more reliable way. This is your best chance to take advantage of this latest offering of Microsoft Office. It has powerful features to activate the latest version of Office. Office KMS Activator Ultimate is a very safe and easy activation program without any harmful effects on your system files. The activation limit is 180 days, but after that you can renew it. After 180 days, you can reactivate for another 180 days. Screen: