Changing the product/serial key in Office 2007

Disclaimer: All care No Responsibility. you follow the instructions provided at your own risk. I take no responsibility any damage you may cause. Please read the article in full before starting

To change the product / serial key in office 2007 is easy

open regedit

(Start -> Run -> “regedit” (no quotes) -> OK)

Browse to

HKEY_LOCAL_MACHINESOFTWAREMicrosoftOffice12.0Registration{a very long number}

in there you will find two keys



Make sure all your office applications are closed and rename these keys, eg


Start office and you will be prompted to re-enter your key. press OK and it will ask you to ‘Install Now’ its quick and painless and your done.

if it all borks up, delete the re-created keys and rename your old. keys back to their original names.

Leave a Reply

Your email address will not be published.

Name *
Email *

Protected by WP Anti Spam