Applies to: Volume licensed versions of Office LTSC 2021, Office 2019, and Office 2016, including Project and Visio . By default, volume licensed versions of Office, such as Office LTSC 2021, are installed with a Generic Volume License Key (GVLK). To activate Office, choose the option Online KMS Activation, then run the option to activate (activates for 180 days), then run the option Renewal and Activation Task, which will create a System Scheduled Task to automatically re-run the activation task every so often to renew the activation with the remote KMS host. Method 3: How to Find Lost Windows Product Key Using Command Prompt. To find your lost Windows Product key using the Command Prompt, you must check the following steps. Step 1: Open the command line application by typing CMD in the Windows search bar. Step 2: Once Command Prompt appears in the search results, right-click it to choose Run as Sign in with the Microsoft account you associated with this version of Microsoft 365 . 3. From the top of the page, select Services and subscriptions and on that page find the Microsoft 365 product you want to install and select Install. Now Install Microsoft 365 2019 or 2016 on a PC, 1. Get Also: Free Microsoft Office 365 Product Key; Free Genuine Microsoft Office 2016 License Key; Microsoft Office Professional Plus 2019 Product Key. 7Y8UH-Y6T5S-W3E4X-DCR6T-KFV7B; XDCRT-FV7BG-8YHUN-YTFVD-BVCSA; Y8NHU-9HY7G-T6FD5-RS4WS-GJZE4; ZAQ3W-SE4XT-FV6BY-8HUNI-J9DSM; 6TFV7-BGY8H-UN9IJ-98NHU-BGKY7; 8NHUB-GTFV6-DE4SW-4SEX5-DG1CR MS Office 365 Product key is used to activate the licensed version of Office365. It is considered to be one of the best and productive software available nowadays. It includes the full installation of Word, Excel, PowerPoint, and more. It started in June 2011 and now has the latest version as MS Office 2019. It lets users do work on laptops and computers without having an internet connection Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup. Redeeming your key is what links your account with Microsoft 365 so you only have to do this once. In the activation window, choose the option to enter the product key or activation key. Enter the activation key in the provided field. Make sure to enter it correctly without any typos or errors. Click on the "Activate" button or a similar option to initiate the activation process. If the activation key is valid and matches the version of Microsoft Office 2019 Professional Plus product key ($55/key). It has Word 2019, Excel 2019, PowerPoint 2019, Access 2019, Outlook 2019. It has Word 2019, Excel 2019, PowerPoint 2019, Access 2019, Outlook 2019. And to use this newer version you need to use a new Microsoft Office 2019 Product Key as well. Microsoft office 2019 is a paid software and you need a Microsoft Office 2019 Product Key to fully get access to its features. Although they provide their users with a one month free trial period. But you must activate your office after that trial 16WRn.