Removing the old Office 365 license from the computer is really simple. You can use PowerShell or CMD for the steps below: 1. Open PowerShell or CMD. First, we need to open PowerShell or CMD in Administrator mode. Click on Start and type PowerShell and right click on the icon. Select Run as Administrator. Use of the Microsoft Support and Recovery Assistant to uninstall Office 2019 then reinstall a freshly downloaded Office. Manual uninstall of Office 2019 (remove all related registry keys, files etc.) and install a freshly downloaded office 19. Checked compatibility mode solutions offered and confirmed that it was not turned on. When installing office, I entered the key from activate-here.com, then entered my Microsoft account and was greeted with the long list of indistinguishable licenses (I didn't choose one). I then logged into office.com and found my list of keys. I couldn't see the key from activate-here.com because that isn't the "activated" key. Step 1: Visit this page of Microsoft to open the virtual support agent page. Click the Yes link. Step 2: Enter your 25-character Office 2013 or Office 2016 product key (XXXXX-XXXXX-XXXXX-XXXXX-XXXXX in this format) and then press Enter key. Step 3: If the product key is valid, you will get a link to download your version of Office. Verify that Microsoft 365 Apps is using the new activation method. There are three different ways that you can verify that Microsoft 365 Apps is using the new activation method. Open Word and go to File > Account > About Word. Near the top of the dialog, you should see an entry for License ID. For Microsoft 365 Apps, the ID starts with EWW. Step 4: You'll get an output listing any licenses that apply to Office. Each license will have a section showing the last 5 characters of the product key. You'll get an output listing any licenses that apply to Office. It can retrieve the following types of Microsoft Windows keys - OEM: DM, OEM: SLP, OEM: NONSLP, OEM: COA, Retail = Full Packaged Product (FPP), Volume: MAK = Multiple Activation Key, Volume: GVLK = Group Volume License Key, and WAU = Windows Anytime Upgrade. You can find the detailed instructions in the article KMS activation for Microsoft Office 2019/2016 ); Make sure your KMS server has been activated successfully. Run the command: slmgr.vbs /dlv Check the following values in the command output: Description = VOLUME_KMS_WS22 channel and License status = Licensed. ZD2W.