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Download and install or reinstall Office 365 or Office ...

Before you can install Office 365 or Office 2019 you need to associate it with a Microsoft account, or work or school account. If you have an Office for home product and bought Office at a retail store or online store, but don't have a Microsoft account, it's possible you haven't redeemed your product key yet (if you got one), or you missed the step for linking your recent purchase with an ...