Click on Continue and then on Install Now.

This will try to automatically activate your Office 2013 or Office 2010 productivity suite. Check the option that says Attempt to automatically activate my product online.

Type in the new Microsoft Office product key.

From the newly opened window, select the Enter a Product Key option.

From the list of installed programs, find Microsoft Office Professional Plus 2010 (or your installed version of Office 2010 or Office 2013 edition) or Microsoft Office Visio Professional 2010 (or if you have Visio 2013 installed, click on it), then click on Change button.

(Windows XP users need to click on Start > Control Panel > Add or Remove Programs.) Click on Control Panel, then click on Programs (Uninstall a program).

Click on the Start Button to open up the Start Menu.

How To Change Office Product Key To Activate/Reactivate Microsoft Office? Now, coming back to today’s topic about how to change Office product key, simply follow the steps below and get the job done. If you want to change your Windows license key, you can head over to that page for reference. If you remember, earlier, we have shown you a way to change Windows product key without affecting the operating system in any way. Today, we will show you how to easily change Microsoft Office product key without uninstalling Office productivity suite from your computer. If you need to change Microsoft Office product key to resolve Microsoft Office activation issues or for any other reason, then you are on the correct page.

Visio professional 2017 product key