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Office Home & Business can be installed on a single computer.
If you try to install and activate this version of Office on a new computer, please uninstall Office from the original computer first.
On the new computer, sign in to your My Account page and click Install.
If after finish installing, Office is not activated, you may active Office over the phone.
For more information, please refer to "Activate after reinstalling or moving Office".
If Office still can not be activated on the new machine, it's best to contact Microsoft on browser to get help.
Any updates, please feel free to let me know.
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