Step 4 : Select Enter a Product Key and click Continue Step 3 : Right-click on this and select Change Step 2 : Find your Microsoft Office application in the list of programs in the Programs and Features window In the search box, type: Appwiz.cl and press Enter Click on the Windows Start button in the bottom left of your screen and type Programs and Features in the search box.After opening the Control Panel, click Programs and then Programs and Features In Windows 8.1 and 10, the Control Panel link is under the Windows System folder. In Windows 7 there is an immediate shortcut to Control Panel. Click on the Windows Start button in the bottom left of your screen.Step 1 : Depending on your version of Windows there are three common ways to open the Programs and Features section of your Windows Control Panel : Enter your new key in the window that pops up then click Install to activate it Method 2: From Programs and Features in your Windows Control Panel Step 2 : In the dropdown menu, select Help in Office 2010, or Account in Office 2013/2016 Step 1 : Open any Office application, such as Word or Excel, and click on the File tab in the menu bar at the top of the application’s window Here are four different ways you can change your Product Key: Method 1 (For Office 2010, 2013, 2016): From Office Application But there are also other methods if this doesn’t work. The simplest way is to change the product key through the file menu from any of the Microsoft Office applications, such as Word or Excel. To get your second copy of Office running then you’ll need to change the product key.

This might happen for example if you bought more than one copy of Office for your different computers but accidentally used the same key twice. Each product key is unique and typically only for one copy of Office on one device only. If you try to use a product key on a new computer that’s already been activated on a different computer before, activation on the second device often won’t work.

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