However, you can still successfully install the Office 2013 productivity suite by following these steps:
1. Uninstall the previous Office version
Your previously installed Office Productivity Suite may conflict with the version you are trying to install. This prevents your computer from recognizing the correct product key. Therefore, it is important to find all previous Office programs and uninstall them from your computer.
2. Check the product key
To successfully install the Office 2013 productivity suite, you need to ensure that you use the correct product key for your Office suite. Many times, the user confuses the product key with the alphanumeric code that is sent with its Office suite. Product keys are usually written on CD labels, in case or in product boxes. Obtain a retail, online, or bulk license for the Office version of the product key, use it to complete the installation process.
3. Disable antivirus software
The presence of the antivirus program may cause a conflict during the installation of Microsoft Office 2013. Therefore, to avoid any problems during the installation of Office 2013, it is recommended that you disable antivirus programs and then re-enable it after a successful installation.
4. Carefully enter the product key
Your Office 2013 product key is a long chain alphanumeric character that can sometimes be confusing. Therefore, to avoid an "Invalid Product Key" error when activating Office 2013 productivity software, make sure you are entering the product key carefully. Since your product key is not case sensitive, close the Caps Lock key and make sure you type the correct key sequence.
5. Contact the manufacturer
If you still encounter an "Invalid Product Key" error, please contact Microsoft for more information about the correct product key.
