You might see an error with the message, "Couldn't stream Office" (Error code 30179-25) if your hard drive is running out of space. Free up space on your hard drive and then reinstall Office.
Free up space on your hard drive
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For Windows 10, go to Free up drive space in Windows 10.
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For Windows 8/8.1 and Windows 7, go to Tips to free up drive space on your PC.
Reinstall Office
To reinstall Office select the version you want to install and follow those steps.