Copy the following command, paste the command into the Command Prompt window, and replace XXXXX with the last 5 digits of the product key that was shown in the previous step. Press Enter to remove the product key. Press Enter to change the key. If you don't know which Office version is installed, see What version of Office am I using? To check whether Windows is installed as 32 or 64 bits, see Which Windows operating system am I running?
Table of contents. Office install. How to install Office. Redeem or activate. Office product keys. Activate Office. Install other apps. Set up mobile devices. Office updates. Upgrade to the latest version. Troubleshoot and uninstall. Do one of the following: If you're signed in, select Use a different account , and then select Enter product key instead.
If you're not signed in, select Enter product key instead. If your product key is new, follow the prompts to complete the redemption process. Office begins the update process. Close all Office apps to finish the process. Type Command Prompt. Select your Office and Windows version. Need more help? Join the discussion. A subscription to make the most of your time. Try 1 month free. Was this information helpful? Yes No. Thank you! Any more feedback?
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Author Info Last Updated: February 23, Method 1. Right-click on the start button and select Run. Click on the item, composed of a combination of numbers and letters.
Method 2. Method 3. Click on the Windows icon and select Run. Include your email address to get a message when this question is answered. Write down the changes and initial values. You may later need to restore the Registry as it was. Helpful 0 Not Helpful 0.
Consider Open Source alternatives for all proprietary software: OpenOffice. Create a System Restore Point before trying out these instructions. It will allow you to restore your operating system, if anything goes wrong with the Registry.
Registry Editor allows you to personalize your computer, and make it more accessible. Back in step 4 right click the key of letters and numbers and choose Export. Give the file a name and keep it handy. Double-clicking the file in the future will bring all the deleted keys in the next step back. This is smaller and faster than a full restore of your computer.
Further, you can edit this file in notepad and remove all BUT the two keys deleted in step five. Now you have a file to double-click which will exactly restore your deletions to the registry. You can double-click this file multiple times, it will only add them if they are missing, it won't add them multiple times.
Submit a Tip All tip submissions are carefully reviewed before being published. Do not delete anything other than what is needed. You should back up the registry beforehand. Helpful 1 Not Helpful 0. Some associations in the Registry, if removed, will crash other functioning programs or Windows itself.
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