So make sure that you are getting an authentic and genuine product and ms office 2013 serial number. You cannot install your office without product key for Microsoft office 2013. This can be in digital form, hard copy or be a soft copy. Where you will find this ms office 2013 serial number depends on the way you purchased your Microsoft office 2013, Microsoft office 2013 product key will be provided to you by the seller you are buying your product from. Hen we install or activate Office 2013, the system will be prompted for the product key for Microsoft Office 2013, which is a 25-character ms office 2013 key, which looks like this: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
