To
install Office 365 that already purchased Key Code, visit
office.com/setup, sign in with your Microsoft account, enter your product key, download the installer, and follow the on-screen instructions
- Go to Office Setup: Visit office.com/setup.
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Sign In: Log in with the Microsoft account you used to purchase Office.
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Enter Product Key: Type in the 25-character product key you received with your purchase.
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Link to Microsoft Account: If necessary, link the product key to your Microsoft account.
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Download Office: Click “Install Office” to download the installer.
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Run the Installer: Open the installer file to start the installation process.
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Activate: Open any Office app (like Word or Excel) and sign in with your Microsoft account to activate the soft