Your product key is 25 characters and is found in different locations depending on how you acquired your Office product.
If you purchased Office on a traditional disc the product key should be located inside the package on a label on the card opposite the disc holder on the left side of the DVD case.
If you purchased an Office product key card the product key should be located inside the package on a label on the left side of the case.
A product key is a 25-character code that comes with a Microsoft Office product. The product key allows you to install and activate the Office product on your PC.
Download times vary by location, internet connection speed and the size of the Office product you are downloading. It is recommended only high-speed broadband connections are used to download your file(s).
We recommend that you download the file to your Desktop, so it is easy to find to initiate the installation. You can download the file anywhere you like, just make sure that you remember the location where you saved it, and the name of the file. Do not rename the file that you are downloading; it may cause installation problems.