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# Office 2010 cannot verify the license for this product

After changing the product key for office through programs and features control panel, you may get an error like this:
microsoft office 2010 cannot verify the license for this product” when opening office programs.
this generally means that office didn’t properly activate, so you’ll need to do that using the below instructions:

1. Open command prompt (as administrator)
2. this this command: `cd C:\Program Files (x86)\Microsoft Office\Office14`
3. run this command: `cscript ospp.vbs /act`