If the users have completed the process of downloading and installing the applications of Microsoft, then they are required to activate the MS Office applications. The users will not be benefited from the various facilities of MS Office if they will not activate it. For activating MS Office applications, the users should have the product key which they could get on the product package if the purchase has been done by retail mode. If the users have made the purchase from the official site office.com/setup, they could find the product key having a 25 digit activation number on their email.
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