If Office is prompting you for a product key, and you want to buy a product key to activate Office, it's better to uninstall your current version of Office and then buy and install a new version of …

Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can …

Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.

How to change your product key to fix activation errors that can occur if you own and install multiple one-time purchases of Office..

Learn how to find your product key for Office 2010 or locate a lost Microsoft Office 2010 product key.

If you already redeemed a product key, reinstalling the apps, or you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and …

If you don't activate it when you install, you can activate it later from an Office application by clicking File > Help > Activate Product Key. For more information, see Activate Office 2010 …

Se Office chiede di immettere un codice Product Key e si vuole acquistare un codice Product Key per attivare Office, è consigliabile disinstallare la versione corrente di Office e quindi …

Поиск ключа продукта для OfficeOffice В большинстве случаев вводить ключ продукта для установки Office не требуется. Просто войдите на страницу своей учетной записи и …