Start> Settings-> Apps. Windows 7 and Windows 8. Start-> Control Panel-> Uninstall a Program. Here, locate your Office application and press Modify or Change. Setup will now start with the option “Enter a Product Key” which allows you to enter a different product key. Allconsumer versions of Office would be permanently associated with the Microsoft Account used to purchase Office 2019 (if purchased from the Microsoft Store) or the account used to redeem a product key (if purchased from a 3rd party reseller). Prvníinstalace Microsoft 365. NěkteréOffice 2019,Office 2016 a Office 2013 jsou k dispozici s kódem Product Key. Pokud je to váš případ, Po uplatnění kódu Product Key se váš účet propojí s Microsoft 365. Stačí to udělat jen jednou. Už to máte? Níže vyberte kartu pro verzi, kterou chcete nainstalovat. Step1: Download and install Microsoft Office 2019 from Microsoft official website. Step 2: Open one of the Office apps like Excel, Word, etc. on your PC. Click the Afterspeaking to Microsoft customer care they advise me to uninstall Microsoft 365 (as it was not inbuilt in my laptop as per the serial no)and sent me the link to install office 2019. I have installed office 2019 and signed in using my Microsoft account, but still they are asking for product key. Kindly advise, the free version of office 2019 Downgraderights in Volume Licensing programs give you the right to downgrade to any prior version of the same. product. Therefore, you may downgrade Microsoft Office Professional Plus 2013 to the Microsoft Office Professional. Plus 2010, Office Professional Plus 2007, Office Professional Enterprise 2003, Office Professional Clickon “ and enter your user ID and password used to purchase Office. Once you have signed in, click on your name in the top right corner and then click on “”. Find the Office one-time purchase or individual Office app. Click on “” to look at your product key (Office will not be installed when you do this). Whatis the product key for Microsoft Office 365? Here are some free product keys for Microsoft Office 365; B9GN2-DXXQC-9DHKT-GGWCR-4X6XK, N7PXY-WR4XP-D4FGK-K66JH-CYQ6X, 4HNBK-863MH-6CR6P-GQ6WP-J42C9, 2MNJP-QY9KX-MKBKM-9VFJ2-CJ9KK, 2B8KN-FFK6J-YWMV4-J3DY2-3YF29. There is a lot more, and Thisvideo tells you how to get started with your Microsoft 365 product key to activate and install Office products such as Outlook, Excel, Word, and PowerPo Youll use your Microsoft account for everything you do with Microsoft 365 or Office. If you use a Microsoft service like Outlook.com, OneDrive, Xbox Live, or Skype, you already have an account. Zzko.