How To Activate Office 2013 Without Product Key Work -

Use a KMS client setup key (generic keys provided by Microsoft for volume licensing) by entering: cscript ospp.vbs /inpkey:YC7DK-G2NP3-2QQC3-J6H88-GVGXT

For 64-bit Office: cd "C:\Program Files\Microsoft Office\Office15" how to activate office 2013 without product key

If you have a Multiple Activation Key (MAK) or know someone who does, you can use it along with the Volume Licensing Service Center (VLSC) to activate. However, this requires a valid MAK key. Use a KMS client setup key (generic keys