online solution for office installation:

1Type in the product key and click on Setup It will ask you to login to your Microsoft account. So that the new installation is associated with your Microsoft Account. Hence it is not required to keep the product key for the future use. It will be added to your Microsoft Account. Follow the below steps to complete the installation   1b 1c 1d   1e   1f      Now you are good to use the new Office 2013 or Office 365.

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